Restoring authorship annotation for <neksard@yandex-team.ru>. Commit 2 of 2.

17 files changed, 446 insertions, 446 deletions

diff --git a/build/platform/cuda/ya.make b/build/platform/cuda/ya.make
index 493ff6d36e..3615f682cd 100644
--- a/build/platform/cuda/ya.make
+++ b/build/platform/cuda/ya.make
@@ -18,7 +18,7 @@ IF (USE_ARCADIA_CUDA)
             ELSEIF (CUDA_VERSION == "11.2")
                 DECLARE_EXTERNAL_RESOURCE(CUDA sbr:2073566375) # CUDA Toolkit 11.2.2 for Linux x86-64
             ELSEIF (CUDA_VERSION == "11.1")
-                DECLARE_EXTERNAL_RESOURCE(CUDA sbr:1882836946) # CUDA Toolkit 11.1.1 for Linux x86-64 
+                DECLARE_EXTERNAL_RESOURCE(CUDA sbr:1882836946) # CUDA Toolkit 11.1.1 for Linux x86-64
             ELSEIF (CUDA_VERSION == "11.0")
                 DECLARE_EXTERNAL_RESOURCE(CUDA sbr:1647896014) # CUDA Toolkit 11.0.2 for Linux x86-64
             ELSEIF (CUDA_VERSION == "10.1")
@@ -65,7 +65,7 @@ IF (USE_ARCADIA_CUDA)
             IF (CUDA_VERSION == "11.3")
                 DECLARE_EXTERNAL_RESOURCE(CUDA sbr:2215101513) # CUDA Toolkit 11.3.1 for Windows x86-64
             ELSEIF (CUDA_VERSION == "11.1")
-                DECLARE_EXTERNAL_RESOURCE(CUDA sbr:1896564605) # CUDA Toolkit 11.1.1 for Windows x86-64 
+                DECLARE_EXTERNAL_RESOURCE(CUDA sbr:1896564605) # CUDA Toolkit 11.1.1 for Windows x86-64
             ELSEIF (CUDA_VERSION == "10.1")
                 DECLARE_EXTERNAL_RESOURCE(CUDA sbr:978734165) # CUDA Toolkit 10.1.168 for Windows x86-64
             ELSE()
diff --git a/build/platform/msvc/ya.make b/build/platform/msvc/ya.make
index c4887518c9..ccb602c280 100644
--- a/build/platform/msvc/ya.make
+++ b/build/platform/msvc/ya.make
@@ -6,8 +6,8 @@ IF (WINDOWS_KITS_VERSION == "10.0.10586.0")
     DECLARE_EXTERNAL_RESOURCE(WINDOWS_KITS sbr:544779014)
 ELSEIF (WINDOWS_KITS_VERSION == "10.0.16299.0")
     DECLARE_EXTERNAL_RESOURCE(WINDOWS_KITS sbr:1379398385)
-ELSEIF (WINDOWS_KITS_VERSION == "10.0.18362.0") 
-    DECLARE_EXTERNAL_RESOURCE(WINDOWS_KITS sbr:1939557911) 
+ELSEIF (WINDOWS_KITS_VERSION == "10.0.18362.0")
+    DECLARE_EXTERNAL_RESOURCE(WINDOWS_KITS sbr:1939557911)
 ELSE()
     MESSAGE(FATAL_ERROR "We have no Windows Kits version ${WINDOWS_KITS_VERSION}")
 ENDIF()
diff --git a/build/platform/perl/ya.make b/build/platform/perl/ya.make
index e9b3ab30d1..cc50c05c26 100644
--- a/build/platform/perl/ya.make
+++ b/build/platform/perl/ya.make
@@ -1,10 +1,10 @@
 LIBRARY()
- 
-OWNER(somov) 
- 
+
+OWNER(somov)
+
 NO_PLATFORM()
 
-IF (USE_PERL_SYSTEM) 
+IF (USE_PERL_SYSTEM)
     IF (PERL_SDK == "ubuntu-12")
         PEERDIR(build/platform/perl/5.14)
     ELSEIF (PERL_SDK == "ubuntu-14")
@@ -19,10 +19,10 @@ IF (USE_PERL_SYSTEM)
         MESSAGE(FATAL_ERROR "Building against system perl is not supported on ${PERL_SDK}")
     ENDIF()
 
-ELSE() 
+ELSE()
 
     MESSAGE(FATAL_ERROR "There is no perl ready for static linkage. Try using the system one.")
 
-ENDIF() 
- 
-END() 
+ENDIF()
+
+END()
diff --git a/build/platform/python/readme.md b/build/platform/python/readme.md
index 5e74dcb6f6..1eaafad35b 100644
--- a/build/platform/python/readme.md
+++ b/build/platform/python/readme.md
@@ -1,83 +1,83 @@
-# Инструкция по добавлению нового бандла с системным питоном 
- 
-## Майним бандлы системного питона 
-Бандлы системного питон майнятся для трех платформ: linux, darwin, windows. 
-Подставляем под PYTHON_VERSION - версию нужного питона 
-### Linux 
- 
-1. Устанавливаем систему с версией ubuntu, из которой планируется брать системный питон. Здесь есть два варианта 
-    1. Если нужно собрать системный питон, который будет запускать тесты на дистбилде, то нужно использовать ubuntu такой же версии, что и на дистбилде. 
-    Тут стоит учитывать, что на дистбилде может быть достаточно старая версия ubuntu, на котором не будет нужной версии питона. 
-    2. Выбрать ту версию ubuntu, в которой есть нужный питон 
-2. `mkdir -p ~/work/packages` 
-3. `cd ~/work/packages` 
-4. майним deb-пакеты питона 
-    1. Майним системный питон для запуска на дистбилде: 
- 
-            apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests --no-conflicts --no-breaks --no-replaces --no-enhances python{PYTHON_VERSION}-dev python{|3}-pkg-resources python{|3}-setuptools | grep "^\w" | sort -u) 
-            rm libc6* libc-* 
- 
-    2. Майним системный питон для сборки сошек: 
- 
-            apt download python{PYTHON_VERSION} python{PYTHON_VERSION}-dev python{PYTHON_VERSION}-minimal libpython{PYTHON_VERSION} libpython{PYTHON_VERSION}-dev libpython{PYTHON_VERSION}-stdlib libpython{PYTHON_VERSION}-minimal 
- 
-5. `cd ..` 
-6. `for path in $(ls packages); do ar -xf packages/$path; tar -xf data.tar.xz; done;` 
-7. `mv usr python` 
-8. `tar -czf python{PYTHON_VERSION}_linux.tar.gz python` 
+# Инструкция по добавлению нового бандла с системным питоном
+
+## Майним бандлы системного питона
+Бандлы системного питон майнятся для трех платформ: linux, darwin, windows.
+Подставляем под PYTHON_VERSION - версию нужного питона
+### Linux
+
+1. Устанавливаем систему с версией ubuntu, из которой планируется брать системный питон. Здесь есть два варианта
+    1. Если нужно собрать системный питон, который будет запускать тесты на дистбилде, то нужно использовать ubuntu такой же версии, что и на дистбилде.
+    Тут стоит учитывать, что на дистбилде может быть достаточно старая версия ubuntu, на котором не будет нужной версии питона.
+    2. Выбрать ту версию ubuntu, в которой есть нужный питон
+2. `mkdir -p ~/work/packages`
+3. `cd ~/work/packages`
+4. майним deb-пакеты питона
+    1. Майним системный питон для запуска на дистбилде:
+
+            apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests --no-conflicts --no-breaks --no-replaces --no-enhances python{PYTHON_VERSION}-dev python{|3}-pkg-resources python{|3}-setuptools | grep "^\w" | sort -u)
+            rm libc6* libc-*
+
+    2. Майним системный питон для сборки сошек:
+
+            apt download python{PYTHON_VERSION} python{PYTHON_VERSION}-dev python{PYTHON_VERSION}-minimal libpython{PYTHON_VERSION} libpython{PYTHON_VERSION}-dev libpython{PYTHON_VERSION}-stdlib libpython{PYTHON_VERSION}-minimal
+
+5. `cd ..`
+6. `for path in $(ls packages); do ar -xf packages/$path; tar -xf data.tar.xz; done;`
+7. `mv usr python`
+8. `tar -czf python{PYTHON_VERSION}_linux.tar.gz python`
 9. `ya upload python{PYTHON_VERSION}_linux.tar.gz -d "Ubuntu {UBUNTU_VERSION} x86_64 python{PYTHON_VERSION} installation" --do-not-remove`
- 
-UBUNTU_VERSION - версия ubuntu, на которой майнился системный питон 
- 
-### Darwin 
-1. Находим macbook. 
-2. Все установленные питоны лежат в `/Library/Frameworks/Python.framework/Versions` 
-3. Копируем `/Library/Frameworks/Python.framework` в директорию с именем `python` 
-4. Чистим `python/Python.framework/Versions/` от ненужных питонов 
-5. Проверяем, что симлинки указывают в правильные места 
-    1. `python/Python.framework/Versions/Current -> {PYTHON_VERSION}` 
-    2. `python/Python.framework/Headers -> Versions/Current/Headers` 
-    3. `python/Python.framework/Python -> Versions/Current/Python` 
-    4. `python/Python.framework/Resources -> Versions/Current/Resources` 
-6. `tar -czf python{PYTHON_VERSION}_darwin.tar.gz python` 
+
+UBUNTU_VERSION - версия ubuntu, на которой майнился системный питон
+
+### Darwin
+1. Находим macbook.
+2. Все установленные питоны лежат в `/Library/Frameworks/Python.framework/Versions`
+3. Копируем `/Library/Frameworks/Python.framework` в директорию с именем `python`
+4. Чистим `python/Python.framework/Versions/` от ненужных питонов
+5. Проверяем, что симлинки указывают в правильные места
+    1. `python/Python.framework/Versions/Current -> {PYTHON_VERSION}`
+    2. `python/Python.framework/Headers -> Versions/Current/Headers`
+    3. `python/Python.framework/Python -> Versions/Current/Python`
+    4. `python/Python.framework/Resources -> Versions/Current/Resources`
+6. `tar -czf python{PYTHON_VERSION}_darwin.tar.gz python`
 7. `ya upload python{PYTHON_VERSION}_darwin.tar.gz -d "Darwin x86_64 python{PYTHON_VERSION} installation" --do-not-remove`
- 
-Если нужного питона нет в системе, его нужно установить из `python.org`, его установку можно найти в стандартном месте. 
- 
-Если нужен питон из `brew`, его установку можно найти в `/usr/local/Cellar/python*/{python_version}/Frameworks/`, 
- а дальше следовать стандартной инструкции 
- 
-### Windows 
-1. Находим машинку с windows 
-2. Устанавливаем нужную версию питона из `python.org` 
-3. Копируем содержимое установки питона в директорию `python` 
-4. Пакуем директорию `python` в `python{PYTHON_VERSION}_windows.tar.gz` 
+
+Если нужного питона нет в системе, его нужно установить из `python.org`, его установку можно найти в стандартном месте.
+
+Если нужен питон из `brew`, его установку можно найти в `/usr/local/Cellar/python*/{python_version}/Frameworks/`,
+ а дальше следовать стандартной инструкции
+
+### Windows
+1. Находим машинку с windows
+2. Устанавливаем нужную версию питона из `python.org`
+3. Копируем содержимое установки питона в директорию `python`
+4. Пакуем директорию `python` в `python{PYTHON_VERSION}_windows.tar.gz`
 5. `ya upload python{PYTHON_VERSION}_windows.tar.gz -d "Windows x86_64 python{PYTHON_VERSION} installation" --do-not-remove`
- 
-## Добавляем бандлы системного питона в сборку 
- 
-1. Конфигурация бандлов системных питонов находится здесь [build/platform/python](https://a.yandex-team.ru/arc/trunk/arcadia/build/platform/python) 
-2. Добавляем сендбокс ресурсы собранных бандлов в файл [resources.inc](https://a.yandex-team.ru/arc/trunk/arcadia/build/platform/python/resources.inc) 
- 
-        SET(PYTHON38_LINUX sbr:1211259884) 
- 
-3. Добавляем служебные переменные `_SYSTEM_PYTHON*, PY_VERSION, PY_FRAMEWORK_VERSION` для системного питона, если их еще нет, 
-в [ymake.core.conf](https://a.yandex-team.ru/arc/trunk/arcadia/build/ymake.core.conf?rev=7640792#L380) по аналогии. 
- 
-        "3.8" ? { 
-            _SYSTEM_PYTHON38=yes 
-            PY_VERSION=3.8 
-            PY_FRAMEWORK_VERSION=3.8 
-        } 
- 
-4. Добавляем ресурс в [build/platform/python/ya.make](https://a.yandex-team.ru/arc/trunk/arcadia/build/platform/python/ya.make) 
- 
-          DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON38_LINUX}) 
- 
-## Проверяем сборку 
+
+## Добавляем бандлы системного питона в сборку
+
+1. Конфигурация бандлов системных питонов находится здесь [build/platform/python](https://a.yandex-team.ru/arc/trunk/arcadia/build/platform/python)
+2. Добавляем сендбокс ресурсы собранных бандлов в файл [resources.inc](https://a.yandex-team.ru/arc/trunk/arcadia/build/platform/python/resources.inc)
+
+        SET(PYTHON38_LINUX sbr:1211259884)
+
+3. Добавляем служебные переменные `_SYSTEM_PYTHON*, PY_VERSION, PY_FRAMEWORK_VERSION` для системного питона, если их еще нет,
+в [ymake.core.conf](https://a.yandex-team.ru/arc/trunk/arcadia/build/ymake.core.conf?rev=7640792#L380) по аналогии.
+
+        "3.8" ? {
+            _SYSTEM_PYTHON38=yes
+            PY_VERSION=3.8
+            PY_FRAMEWORK_VERSION=3.8
+        }
+
+4. Добавляем ресурс в [build/platform/python/ya.make](https://a.yandex-team.ru/arc/trunk/arcadia/build/platform/python/ya.make)
+
+          DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON38_LINUX})
+
+## Проверяем сборку
 1. Создаем тривиальный PY2MODULE с использование `c api` положенного питона, или находим подходящий в репозитории
-2. Собираем его: 
-    1. linux `ya make -DUSE_SYSTEM_PYTHON=3.8 --target-platform linux` 
-    2. darwin `ya make -DUSE_SYSTEM_PYTHON=3.8 --target-platform darwin` 
-    3. windows `ya make -DUSE_SYSTEM_PYTHON=3.8 --target-platform win` 
-3. Проверяем, что получившиеся модули импортятся в питонах на соответсвующих системах 
+2. Собираем его:
+    1. linux `ya make -DUSE_SYSTEM_PYTHON=3.8 --target-platform linux`
+    2. darwin `ya make -DUSE_SYSTEM_PYTHON=3.8 --target-platform darwin`
+    3. windows `ya make -DUSE_SYSTEM_PYTHON=3.8 --target-platform win`
+3. Проверяем, что получившиеся модули импортятся в питонах на соответсвующих системах
diff --git a/build/platform/python/ya.make b/build/platform/python/ya.make
index 2a8854baed..247e65f4c9 100644
--- a/build/platform/python/ya.make
+++ b/build/platform/python/ya.make
@@ -1,14 +1,14 @@
-RESOURCES_LIBRARY() 
- 
+RESOURCES_LIBRARY()
+
 OWNER(
     g:contrib
     g:yatool
 )
- 
+
 INCLUDE(resources.inc)
 
 IF (USE_SYSTEM_PYTHON)
-    IF (OS_LINUX) 
+    IF (OS_LINUX)
         IF (ARCH_ARM64 OR ARCH_AARCH64)
             IF (_SYSTEM_PYTHON27)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON27_LINUX_ARM64})
@@ -37,12 +37,12 @@ IF (USE_SYSTEM_PYTHON)
             ENDIF()
         ELSE()
             ENABLE(PYTHON_NOT_FOUND)
-        ENDIF() 
-        CFLAGS( 
+        ENDIF()
+        CFLAGS(
             GLOBAL "-isystem$EXTERNAL_PYTHON_RESOURCE_GLOBAL/python/include"
             GLOBAL "-isystem$EXTERNAL_PYTHON_RESOURCE_GLOBAL/python/include/python${PY_VERSION}"
         )
-    ELSEIF (OS_DARWIN) 
+    ELSEIF (OS_DARWIN)
         IF (PYTHON_DISTR == "macos-brew")
             IF (ARCH_X86_64)
                 IF (_SYSTEM_PYTHON27)
@@ -54,8 +54,8 @@ IF (USE_SYSTEM_PYTHON)
                 ENDIF()
             ELSE()
                 ENABLE(PYTHON_NOT_FOUND)
-            ENDIF() 
-        ELSE() 
+            ENDIF()
+        ELSE()
             IF (ARCH_X86_64)
                 IF (_SYSTEM_PYTHON27)
                     DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON27_DARWIN})
@@ -93,17 +93,17 @@ IF (USE_SYSTEM_PYTHON)
         CFLAGS(GLOBAL "-isystem$EXTERNAL_PYTHON_RESOURCE_GLOBAL/python/Python.framework/Versions/${PY_FRAMEWORK_VERSION}/include/python${PY_VERSION}")
     ELSEIF (OS_WINDOWS)
         IF (ARCH_X86_64)
-            IF (_SYSTEM_PYTHON27) 
+            IF (_SYSTEM_PYTHON27)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON27_WINDOWS})
-            ELSEIF (_SYSTEM_PYTHON34) 
+            ELSEIF (_SYSTEM_PYTHON34)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON34_WINDOWS})
-            ELSEIF (_SYSTEM_PYTHON35) 
+            ELSEIF (_SYSTEM_PYTHON35)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON35_WINDOWS})
-            ELSEIF (_SYSTEM_PYTHON36) 
+            ELSEIF (_SYSTEM_PYTHON36)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON36_WINDOWS})
-            ELSEIF (_SYSTEM_PYTHON37) 
+            ELSEIF (_SYSTEM_PYTHON37)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON37_WINDOWS})
-            ELSEIF (_SYSTEM_PYTHON38) 
+            ELSEIF (_SYSTEM_PYTHON38)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON38_WINDOWS})
             ELSEIF (_SYSTEM_PYTHON39)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON39_WINDOWS})
@@ -111,11 +111,11 @@ IF (USE_SYSTEM_PYTHON)
                 DECLARE_EXTERNAL_RESOURCE(EXTERNAL_PYTHON ${PYTHON310_WINDOWS})
             ELSE()
                 ENABLE(PYTHON_NOT_FOUND)
-            ENDIF() 
+            ENDIF()
         ELSE()
             ENABLE(PYTHON_NOT_FOUND)
-        ENDIF() 
-        CFLAGS(GLOBAL "/I$EXTERNAL_PYTHON_RESOURCE_GLOBAL/python/include") 
+        ENDIF()
+        CFLAGS(GLOBAL "/I$EXTERNAL_PYTHON_RESOURCE_GLOBAL/python/include")
         LDFLAGS("/LIBPATH:$EXTERNAL_PYTHON_RESOURCE_GLOBAL/python/libs")
     ENDIF()
 
@@ -127,9 +127,9 @@ ELSEIF (NOT USE_ARCADIA_PYTHON)
     IF (OS_WINDOWS)
         LDFLAGS($PYTHON_LDFLAGS $PYTHON_LIBRARIES)
     ENDIF()
-ENDIF() 
- 
-END() 
+ENDIF()
+
+END()
 
 RECURSE_FOR_TESTS(
     tests
diff --git a/build/platform/wine/ya.make b/build/platform/wine/ya.make
index 511be37962..7d74cb279b 100644
--- a/build/platform/wine/ya.make
+++ b/build/platform/wine/ya.make
@@ -1,10 +1,10 @@
-RESOURCES_LIBRARY() 
- 
-OWNER(neksard) 
- 
+RESOURCES_LIBRARY()
+
+OWNER(neksard)
+
 # do not forget to update resources in ya.conf.json
-DECLARE_EXTERNAL_RESOURCE(WINE_TOOL sbr:1093314933) 
+DECLARE_EXTERNAL_RESOURCE(WINE_TOOL sbr:1093314933)
 DECLARE_EXTERNAL_RESOURCE(WINE32_TOOL sbr:2264052281)
- 
+
 SET(NEED_PLATFORM_PEERDIRS no)
-END() 
+END()
diff --git a/build/plugins/ytest.py b/build/plugins/ytest.py
index 4fc6b1d590..8970837f0f 100644
--- a/build/plugins/ytest.py
+++ b/build/plugins/ytest.py
@@ -1038,11 +1038,11 @@ def onsetup_exectest(unit, *args):
         unit.ondepends('contrib/tools/python')
     unit.set(["TEST_BLOB_DATA", base64.b64encode(command)])
     add_test_to_dart(unit, "exectest", binary_path=os.path.join(unit.path(), unit.filename()).replace(".pkg", ""))
- 
- 
-def onsetup_run_python(unit): 
-    if unit.get("USE_ARCADIA_PYTHON") == "yes": 
-        unit.ondepends('contrib/tools/python') 
+
+
+def onsetup_run_python(unit):
+    if unit.get("USE_ARCADIA_PYTHON") == "yes":
+        unit.ondepends('contrib/tools/python')
 
 
 def get_canonical_test_resources(unit):
diff --git a/build/scripts/compile_cuda.py b/build/scripts/compile_cuda.py
index e393b7ecf1..c0bec50b2a 100644
--- a/build/scripts/compile_cuda.py
+++ b/build/scripts/compile_cuda.py
@@ -1,18 +1,18 @@
-import sys 
-import subprocess 
+import sys
+import subprocess
 import os
 import collections
 import re
 import tempfile
- 
- 
-def is_clang(command): 
-    for word in command: 
-        if '--compiler-bindir' in word and 'clang' in word: 
-            return True 
- 
-    return False 
- 
+
+
+def is_clang(command):
+    for word in command:
+        if '--compiler-bindir' in word and 'clang' in word:
+            return True
+
+    return False
+
 
 def main():
     try:
@@ -25,7 +25,7 @@ def main():
     mtime0 = sys.argv[1]
     command = sys.argv[2: spl]
     cflags = sys.argv[spl + 1:]
- 
+
     dump_args = False
     if '--y_dump_args' in command:
         command.remove('--y_dump_args')
@@ -35,7 +35,7 @@ def main():
     if not os.path.exists(executable):
         print >> sys.stderr, '{} not found'.format(executable)
         sys.exit(1)
- 
+
     if is_clang(command):
         # nvcc concatenates the sources for clang, and clang reports unused
         # things from .h files as if they they were defined in a .cpp file.
diff --git a/build/scripts/coverage-info.py b/build/scripts/coverage-info.py
index 7dc2691d23..94491d9256 100644
--- a/build/scripts/coverage-info.py
+++ b/build/scripts/coverage-info.py
@@ -237,10 +237,10 @@ def main(source_root, output, gcno_archive, gcda_archive, gcov_tool, prefix_filt
     init_all_coverage_files(gcno_archive, fname2gcno, fname2info, geninfo_executable, gcov_tool, gen_info, prefix_filter, exclude_files)
     process_all_coverage_files(gcda_archive, fname2gcno, fname2info, geninfo_executable, gcov_tool, gen_info)
 
-    if coverage_report_path: 
-        output_dir = coverage_report_path 
-    else: 
-        output_dir = output + '.dir' 
+    if coverage_report_path:
+        output_dir = coverage_report_path
+    else:
+        output_dir = output + '.dir'
 
     if not os.path.exists(output_dir):
         os.makedirs(output_dir)
@@ -274,7 +274,7 @@ if __name__ == '__main__':
     parser.add_argument('--prefix-filter', action='store')
     parser.add_argument('--exclude-regexp', action='store')
     parser.add_argument('--teamcity-stat-output', action='store_const', const=True)
-    parser.add_argument('--coverage-report-path', action='store') 
+    parser.add_argument('--coverage-report-path', action='store')
     parser.add_argument('--gcov-report', action='store')
     parser.add_argument('--lcov-cobertura', action='store')
 
diff --git a/build/scripts/fetch_from_external.py b/build/scripts/fetch_from_external.py
index 47060130f8..d4ed6f4221 100644
--- a/build/scripts/fetch_from_external.py
+++ b/build/scripts/fetch_from_external.py
@@ -1,11 +1,11 @@
-import sys 
-import json 
+import sys
+import json
 import os.path
 import fetch_from
 import argparse
 import logging
- 
- 
+
+
 def parse_args():
     parser = argparse.ArgumentParser()
     fetch_from.add_common_arguments(parser)
@@ -13,8 +13,8 @@ def parse_args():
     parser.add_argument('--custom-fetcher')
     parser.add_argument('--resource-file')
     return parser.parse_args()
- 
- 
+
+
 def main(args):
     external_file = args.external_file.rstrip('.external')
     if os.path.isfile(args.resource_file):
@@ -25,7 +25,7 @@ def main(args):
     try:
         with open(args.external_file) as f:
             js = json.load(f)
- 
+
             if js['storage'] == 'SANDBOX':
                 import fetch_from_sandbox as ffsb
                 del args.external_file
@@ -45,7 +45,7 @@ def main(args):
         raise Exception(error)
 
 
-if __name__ == '__main__': 
+if __name__ == '__main__':
     args = parse_args()
     fetch_from.setup_logging(args, os.path.basename(__file__))
 
diff --git a/build/scripts/link_dyn_lib.py b/build/scripts/link_dyn_lib.py
index 709a9b4fbd..23487f5c1e 100644
--- a/build/scripts/link_dyn_lib.py
+++ b/build/scripts/link_dyn_lib.py
@@ -30,75 +30,75 @@ def parse_export_file(p):
                     yield {'lang': words[0], 'sym': words[1]}
                 elif len(words) == 1:
                     yield {'lang': 'C', 'sym': words[0]}
-                else: 
+                else:
                     raise Exception('unsupported exports line: ' + l)
 
 
-def to_c(sym): 
-    symbols = collections.deque(sym.split('::')) 
-    c_prefixes = [  # demangle prefixes for c++ symbols 
-        '_ZN',      # namespace 
-        '_ZTIN',    # typeinfo for 
-        '_ZTSN',    # typeinfo name for 
-        '_ZTTN',    # VTT for 
-        '_ZTVN',    # vtable for 
-        '_ZNK',     # const methods 
-    ] 
-    c_sym = '' 
-    while symbols: 
-        s = symbols.popleft() 
-        if s == '*': 
-            c_sym += '*' 
-            break 
-        if '*' in s and len(s) > 1: 
-            raise Exception('Unsupported format, cannot guess length of symbol: ' + s) 
-        c_sym += str(len(s)) + s 
-    if symbols: 
-        raise Exception('Unsupported format: ' + sym) 
-    if c_sym[-1] != '*': 
-        c_sym += 'E*' 
-    return ['{prefix}{sym}'.format(prefix=prefix, sym=c_sym) for prefix in c_prefixes] 
- 
- 
+def to_c(sym):
+    symbols = collections.deque(sym.split('::'))
+    c_prefixes = [  # demangle prefixes for c++ symbols
+        '_ZN',      # namespace
+        '_ZTIN',    # typeinfo for
+        '_ZTSN',    # typeinfo name for
+        '_ZTTN',    # VTT for
+        '_ZTVN',    # vtable for
+        '_ZNK',     # const methods
+    ]
+    c_sym = ''
+    while symbols:
+        s = symbols.popleft()
+        if s == '*':
+            c_sym += '*'
+            break
+        if '*' in s and len(s) > 1:
+            raise Exception('Unsupported format, cannot guess length of symbol: ' + s)
+        c_sym += str(len(s)) + s
+    if symbols:
+        raise Exception('Unsupported format: ' + sym)
+    if c_sym[-1] != '*':
+        c_sym += 'E*'
+    return ['{prefix}{sym}'.format(prefix=prefix, sym=c_sym) for prefix in c_prefixes]
+
+
 def fix_darwin_param(ex):
     for item in ex:
-        if item.get('linux_version'): 
-            continue 
- 
+        if item.get('linux_version'):
+            continue
+
         if item['lang'] == 'C':
             yield '-Wl,-exported_symbol,_' + item['sym']
-        elif item['lang'] == 'C++': 
-            for sym in to_c(item['sym']): 
-                yield '-Wl,-exported_symbol,_' + sym 
+        elif item['lang'] == 'C++':
+            for sym in to_c(item['sym']):
+                yield '-Wl,-exported_symbol,_' + sym
         else:
             raise Exception('unsupported lang: ' + item['lang'])
 
 
 def fix_gnu_param(arch, ex):
     d = collections.defaultdict(list)
-    version = None 
+    version = None
     for item in ex:
-        if item.get('linux_version'): 
-            if not version: 
-                version = item.get('linux_version') 
-            else: 
-                raise Exception('More than one linux_version defined') 
-        elif item['lang'] == 'C++': 
-            d['C'].extend(to_c(item['sym'])) 
-        else: 
-            d[item['lang']].append(item['sym']) 
+        if item.get('linux_version'):
+            if not version:
+                version = item.get('linux_version')
+            else:
+                raise Exception('More than one linux_version defined')
+        elif item['lang'] == 'C++':
+            d['C'].extend(to_c(item['sym']))
+        else:
+            d[item['lang']].append(item['sym'])
 
     with tempfile.NamedTemporaryFile(mode='wt', delete=False) as f:
-        if version: 
-            f.write('{} {{\nglobal:\n'.format(version)) 
-        else: 
-            f.write('{\nglobal:\n') 
+        if version:
+            f.write('{} {{\nglobal:\n'.format(version))
+        else:
+            f.write('{\nglobal:\n')
 
         for k, v in d.items():
             f.write('    extern "' + k + '" {\n')
 
             for x in v:
-                f.write('        ' + x + ';\n') 
+                f.write('        ' + x + ';\n')
 
             f.write('    };\n')
 
@@ -208,87 +208,87 @@ if __name__ == '__main__':
         if os.path.exists(opts.soname):
             os.unlink(opts.soname)
         os.link(opts.target, opts.soname)
- 
- 
-# -----------------Test---------------- # 
-def write_temp_file(content): 
-    import yatest.common as yc 
-    filename = yc.output_path('test.exports') 
-    with open(filename, 'w') as f: 
-        f.write(content) 
-    return filename 
- 
- 
-def test_fix_cmd_darwin(): 
-    export_file_content = """ 
-C++ geobase5::details::lookup_impl::* 
-C++ geobase5::hardcoded_service 
-""" 
-    filename = write_temp_file(export_file_content) 
-    args = ['-Wl,--version-script={}'.format(filename)] 
+
+
+# -----------------Test---------------- #
+def write_temp_file(content):
+    import yatest.common as yc
+    filename = yc.output_path('test.exports')
+    with open(filename, 'w') as f:
+        f.write(content)
+    return filename
+
+
+def test_fix_cmd_darwin():
+    export_file_content = """
+C++ geobase5::details::lookup_impl::*
+C++ geobase5::hardcoded_service
+"""
+    filename = write_temp_file(export_file_content)
+    args = ['-Wl,--version-script={}'.format(filename)]
     assert fix_cmd('DARWIN', False, args) == [
-        '-Wl,-exported_symbol,__ZN8geobase57details11lookup_impl*', 
-        '-Wl,-exported_symbol,__ZTIN8geobase57details11lookup_impl*', 
-        '-Wl,-exported_symbol,__ZTSN8geobase57details11lookup_impl*', 
-        '-Wl,-exported_symbol,__ZTTN8geobase57details11lookup_impl*', 
-        '-Wl,-exported_symbol,__ZTVN8geobase57details11lookup_impl*', 
-        '-Wl,-exported_symbol,__ZNK8geobase57details11lookup_impl*', 
-        '-Wl,-exported_symbol,__ZN8geobase517hardcoded_serviceE*', 
-        '-Wl,-exported_symbol,__ZTIN8geobase517hardcoded_serviceE*', 
-        '-Wl,-exported_symbol,__ZTSN8geobase517hardcoded_serviceE*', 
-        '-Wl,-exported_symbol,__ZTTN8geobase517hardcoded_serviceE*', 
-        '-Wl,-exported_symbol,__ZTVN8geobase517hardcoded_serviceE*', 
-        '-Wl,-exported_symbol,__ZNK8geobase517hardcoded_serviceE*', 
-    ] 
- 
- 
-def run_fix_gnu_param(export_file_content): 
-    filename = write_temp_file(export_file_content) 
-    result = fix_gnu_param('LINUX', list(parse_export_file(filename)))[0] 
-    version_script_path = result[len('-Wl,--version-script='):] 
-    with open(version_script_path) as f: 
-        content = f.read() 
-    return content 
- 
- 
-def test_fix_gnu_param(): 
-    export_file_content = """ 
-C++ geobase5::details::lookup_impl::* 
-C   getFactoryMap 
-""" 
-    assert run_fix_gnu_param(export_file_content) == """{ 
-global: 
-    extern "C" { 
-        _ZN8geobase57details11lookup_impl*; 
-        _ZTIN8geobase57details11lookup_impl*; 
-        _ZTSN8geobase57details11lookup_impl*; 
-        _ZTTN8geobase57details11lookup_impl*; 
-        _ZTVN8geobase57details11lookup_impl*; 
-        _ZNK8geobase57details11lookup_impl*; 
-        getFactoryMap; 
-    }; 
-local: *; 
-}; 
-""" 
- 
- 
-def test_fix_gnu_param_with_linux_version(): 
-    export_file_content = """ 
-C++ geobase5::details::lookup_impl::* 
-linux_version ver1.0 
-C   getFactoryMap 
-""" 
-    assert run_fix_gnu_param(export_file_content) == """ver1.0 { 
-global: 
-    extern "C" { 
-        _ZN8geobase57details11lookup_impl*; 
-        _ZTIN8geobase57details11lookup_impl*; 
-        _ZTSN8geobase57details11lookup_impl*; 
-        _ZTTN8geobase57details11lookup_impl*; 
-        _ZTVN8geobase57details11lookup_impl*; 
-        _ZNK8geobase57details11lookup_impl*; 
-        getFactoryMap; 
-    }; 
-local: *; 
-}; 
-""" 
+        '-Wl,-exported_symbol,__ZN8geobase57details11lookup_impl*',
+        '-Wl,-exported_symbol,__ZTIN8geobase57details11lookup_impl*',
+        '-Wl,-exported_symbol,__ZTSN8geobase57details11lookup_impl*',
+        '-Wl,-exported_symbol,__ZTTN8geobase57details11lookup_impl*',
+        '-Wl,-exported_symbol,__ZTVN8geobase57details11lookup_impl*',
+        '-Wl,-exported_symbol,__ZNK8geobase57details11lookup_impl*',
+        '-Wl,-exported_symbol,__ZN8geobase517hardcoded_serviceE*',
+        '-Wl,-exported_symbol,__ZTIN8geobase517hardcoded_serviceE*',
+        '-Wl,-exported_symbol,__ZTSN8geobase517hardcoded_serviceE*',
+        '-Wl,-exported_symbol,__ZTTN8geobase517hardcoded_serviceE*',
+        '-Wl,-exported_symbol,__ZTVN8geobase517hardcoded_serviceE*',
+        '-Wl,-exported_symbol,__ZNK8geobase517hardcoded_serviceE*',
+    ]
+
+
+def run_fix_gnu_param(export_file_content):
+    filename = write_temp_file(export_file_content)
+    result = fix_gnu_param('LINUX', list(parse_export_file(filename)))[0]
+    version_script_path = result[len('-Wl,--version-script='):]
+    with open(version_script_path) as f:
+        content = f.read()
+    return content
+
+
+def test_fix_gnu_param():
+    export_file_content = """
+C++ geobase5::details::lookup_impl::*
+C   getFactoryMap
+"""
+    assert run_fix_gnu_param(export_file_content) == """{
+global:
+    extern "C" {
+        _ZN8geobase57details11lookup_impl*;
+        _ZTIN8geobase57details11lookup_impl*;
+        _ZTSN8geobase57details11lookup_impl*;
+        _ZTTN8geobase57details11lookup_impl*;
+        _ZTVN8geobase57details11lookup_impl*;
+        _ZNK8geobase57details11lookup_impl*;
+        getFactoryMap;
+    };
+local: *;
+};
+"""
+
+
+def test_fix_gnu_param_with_linux_version():
+    export_file_content = """
+C++ geobase5::details::lookup_impl::*
+linux_version ver1.0
+C   getFactoryMap
+"""
+    assert run_fix_gnu_param(export_file_content) == """ver1.0 {
+global:
+    extern "C" {
+        _ZN8geobase57details11lookup_impl*;
+        _ZTIN8geobase57details11lookup_impl*;
+        _ZTSN8geobase57details11lookup_impl*;
+        _ZTTN8geobase57details11lookup_impl*;
+        _ZTVN8geobase57details11lookup_impl*;
+        _ZNK8geobase57details11lookup_impl*;
+        getFactoryMap;
+    };
+local: *;
+};
+"""
diff --git a/build/scripts/run_msvc_wine.py b/build/scripts/run_msvc_wine.py
index 34862af650..439d1f8831 100644
--- a/build/scripts/run_msvc_wine.py
+++ b/build/scripts/run_msvc_wine.py
@@ -94,7 +94,7 @@ def call_wine_cmd_once(wine, cmd, env, mode):
         'Could not load wine-gecko',
         'wine: configuration in',
         'wine: created the configuration directory',
-        'libpng warning:' 
+        'libpng warning:'
     ]
 
     suffixes = [
@@ -106,13 +106,13 @@ def call_wine_cmd_once(wine, cmd, env, mode):
     ]
 
     substrs = [
-        'Creating library Z:', 
-        'err:heap', 
-        'err:menubuilder:', 
-        'err:msvcrt', 
-        'err:ole:', 
-        'err:wincodecs:', 
-        'err:winediag:', 
+        'Creating library Z:',
+        'err:heap',
+        'err:menubuilder:',
+        'err:msvcrt',
+        'err:ole:',
+        'err:wincodecs:',
+        'err:winediag:',
     ]
 
     def good_line(l):
@@ -318,47 +318,47 @@ def colorize(out):
     return '\n'.join(colorize_line(l) for l in out.split('\n'))
 
 
-def trim_path(path, winepath): 
+def trim_path(path, winepath):
     p1 = run_subprocess([winepath, '-w', path], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     p1_stdout, p1_stderr = p1.communicate()
     win_path = p1_stdout.strip()
- 
+
     if p1.returncode != 0 or not win_path:
         # Fall back to only winepath -s
         win_path = path
- 
+
     p2 = run_subprocess([winepath, '-s', win_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     p2_stdout, p2_stderr = p2.communicate()
     short_path = p2_stdout.strip()
- 
+
     check_path = short_path
     if check_path.startswith(('Z:', 'z:')):
         check_path = check_path[2:]
- 
+
     if not check_path[1:].startswith((path[1:4], path[1:4].upper())):
         raise Exception('Cannot trim path {}; 1st winepath exit code: {}, stdout:\n{}\n  stderr:\n{}\n 2nd winepath exit code: {}, stdout:\n{}\n  stderr:\n{}'.format(path, p1.returncode, p1_stdout, p1_stderr, p2.returncode, p2_stdout, p2_stderr))
 
     return short_path
 
 
-def downsize_path(path, short_names): 
-    flag = '' 
-    if path.startswith('/Fo'): 
-        flag = '/Fo' 
-        path = path[3:] 
- 
-    for full_name, short_name in short_names.items(): 
-        if path.startswith(full_name): 
-            path = path.replace(full_name, short_name) 
- 
-    return flag + path 
- 
- 
-def make_full_path_arg(arg, bld_root, short_root): 
-    if arg[0] != '/' and len(os.path.join(bld_root, arg)) > 250: 
-        return os.path.join(short_root, arg) 
-    return arg 
- 
+def downsize_path(path, short_names):
+    flag = ''
+    if path.startswith('/Fo'):
+        flag = '/Fo'
+        path = path[3:]
+
+    for full_name, short_name in short_names.items():
+        if path.startswith(full_name):
+            path = path.replace(full_name, short_name)
+
+    return flag + path
+
+
+def make_full_path_arg(arg, bld_root, short_root):
+    if arg[0] != '/' and len(os.path.join(bld_root, arg)) > 250:
+        return os.path.join(short_root, arg)
+    return arg
+
 def fix_path(p):
     topdirs = ['/%s/' % d for d in os.listdir('/')]
     def abs_path_start(path, pos):
@@ -414,8 +414,8 @@ def run_main():
     parser.add_argument('-v', action='store', dest='version', default='120')
     parser.add_argument('-I', action='append', dest='incl_paths')
     parser.add_argument('mode', action='store')
-    parser.add_argument('arcadia_root', action='store') 
-    parser.add_argument('arcadia_build_root', action='store') 
+    parser.add_argument('arcadia_root', action='store')
+    parser.add_argument('arcadia_build_root', action='store')
     parser.add_argument('binary', action='store')
     parser.add_argument('free_args', nargs=argparse.REMAINDER)
     # By now just unpack. Ideally we should fix path and pack arguments back into command file
@@ -426,10 +426,10 @@ def run_main():
     binary = args.binary
     version = args.version
     incl_paths = args.incl_paths
-    bld_root = args.arcadia_build_root 
+    bld_root = args.arcadia_build_root
     free_args = args.free_args
 
-    wine_dir = os.path.dirname(os.path.dirname(wine)) 
+    wine_dir = os.path.dirname(os.path.dirname(wine))
     bin_dir = os.path.dirname(binary)
     tc_dir = os.path.dirname(os.path.dirname(os.path.dirname(bin_dir)))
     if not incl_paths:
@@ -449,10 +449,10 @@ def run_main():
     env['WindowsSdkDir'] = fix_path(tc_dir)
     env['LIBPATH'] = fix_path(tc_dir + '/VC/lib/amd64')
     env['LIB'] = fix_path(tc_dir + '/VC/lib/amd64')
-    env['LD_LIBRARY_PATH'] = ':'.join(wine_dir + d for d in ['/lib', '/lib64', '/lib64/wine']) 
+    env['LD_LIBRARY_PATH'] = ':'.join(wine_dir + d for d in ['/lib', '/lib64', '/lib64/wine'])
 
     cmd = [binary] + process_free_args(free_args, wine, bld_root, mode)
- 
+
     for x in ('/NOLOGO', '/nologo', '/FD'):
         try:
             cmd.remove(x)
diff --git a/build/scripts/ya.make b/build/scripts/ya.make
index 35b7184460..710165e40d 100644
--- a/build/scripts/ya.make
+++ b/build/scripts/ya.make
@@ -1,8 +1,8 @@
 OWNER(g:ymake)
 
 PY2TEST()
- 
-TEST_SRCS( 
+
+TEST_SRCS(
     build_dll_and_java.py
     build_info_gen.py
     build_java_codenav_index.py
@@ -53,7 +53,7 @@ TEST_SRCS(
     ios_wrapper.py
     java_pack_to_file.py
     link_asrc.py
-    link_dyn_lib.py 
+    link_dyn_lib.py
     link_exe.py
     link_fat_obj.py
     link_lib.py
@@ -93,8 +93,8 @@ TEST_SRCS(
     xargs.py
     yield_line.py
     yndexer.py
-) 
- 
+)
+
 PEERDIR(
     ydb/library/yql/public/udf
 )
diff --git a/build/sysincl/misc.yml b/build/sysincl/misc.yml
index 2401bf642c..e9e6095888 100644
--- a/build/sysincl/misc.yml
+++ b/build/sysincl/misc.yml
@@ -111,9 +111,9 @@
   includes:
     - regex.h:       contrib/tools/tre/lib/regex.h
 
-- source_filter: "^contrib/libs/cppkafka" 
+- source_filter: "^contrib/libs/cppkafka"
   includes:
-    - error.h:       contrib/libs/cppkafka/include/cppkafka/error.h 
+    - error.h:       contrib/libs/cppkafka/include/cppkafka/error.h
 
 - source_filter: "^contrib/libs/clang11-rt"
   includes:
diff --git a/build/ya.conf.json b/build/ya.conf.json
index 5fcbd3e2ee..5f7cc875d6 100644
--- a/build/ya.conf.json
+++ b/build/ya.conf.json
@@ -775,8 +775,8 @@
                     "target": {
                         "os": "WIN",
                         "arch": "i686"
-                    }, 
-                    "default": true 
+                    },
+                    "default": true
                 }
             ],
             "params": {
@@ -785,7 +785,7 @@
                 "werror_mode": "compiler_specific",
                 "c_compiler": "$(MSVC)/bin/Hostx64/x86/cl.exe",
                 "cxx_compiler": "$(MSVC)/bin/Hostx64/x86/cl.exe",
-                "cxx_std": "c++latest", 
+                "cxx_std": "c++latest",
                 "version": "2019"
             }
         },
@@ -805,8 +805,8 @@
                 {
                     "host": {
                         "os": "WIN"
-                    }, 
-                    "default": true 
+                    },
+                    "default": true
                 }
             ],
             "params": {
@@ -815,7 +815,7 @@
                 "werror_mode": "compiler_specific",
                 "c_compiler": "$(MSVC)/bin/Hostx64/x64/cl.exe",
                 "cxx_compiler": "$(MSVC)/bin/Hostx64/x64/cl.exe",
-                "cxx_std": "c++latest", 
+                "cxx_std": "c++latest",
                 "version": "2019",
                 "for_ide": "msvs2019"
             }
@@ -840,8 +840,8 @@
                     "target": {
                         "os": "WIN",
                         "arch": "arm"
-                    }, 
-                    "default": true 
+                    },
+                    "default": true
                 }
             ],
             "params": {
@@ -850,7 +850,7 @@
                 "werror_mode": "compiler_specific",
                 "c_compiler": "$(MSVC)/bin/Hostx64/arm/cl.exe",
                 "cxx_compiler": "$(MSVC)/bin/Hostx64/arm/cl.exe",
-                "cxx_std": "c++latest", 
+                "cxx_std": "c++latest",
                 "version": "2019"
             }
         },
@@ -874,8 +874,8 @@
                     "target": {
                         "os": "WIN",
                         "arch": "i686"
-                    }, 
-                    "default": true 
+                    },
+                    "default": true
                 }
             ],
             "params": {
@@ -884,7 +884,7 @@
                 "werror_mode": "compiler_specific",
                 "c_compiler": "${YMAKE_PYTHON} ${input:\"build/scripts/run_msvc_wine.py\"} $(WINE_TOOL-sbr:1093314933)/bin/wine64 -v140 c $WINE_ENV ${ARCADIA_ROOT} ${ARCADIA_BUILD_ROOT} $(MSVC)/bin/Hostx64/x86/cl.exe",
                 "cxx_compiler": "${YMAKE_PYTHON} ${input:\"build/scripts/run_msvc_wine.py\"} $(WINE_TOOL-sbr:1093314933)/bin/wine64 -v140 cxx $WINE_ENV ${ARCADIA_ROOT} ${ARCADIA_BUILD_ROOT} $(MSVC)/bin/Hostx64/x86/cl.exe",
-                "cxx_std": "c++latest", 
+                "cxx_std": "c++latest",
                 "version": "2019",
                 "wine": "yes"
             }
@@ -908,8 +908,8 @@
                     },
                     "target": {
                         "os": "WIN"
-                    }, 
-                    "default": true 
+                    },
+                    "default": true
                 }
             ],
             "params": {
@@ -918,7 +918,7 @@
                 "werror_mode": "compiler_specific",
                 "c_compiler": "${YMAKE_PYTHON} ${input:\"build/scripts/run_msvc_wine.py\"} $(WINE_TOOL-sbr:1093314933)/bin/wine64 -v140 c $WINE_ENV ${ARCADIA_ROOT} ${ARCADIA_BUILD_ROOT} $(MSVC)/bin/Hostx64/x64/cl.exe",
                 "cxx_compiler": "${YMAKE_PYTHON} ${input:\"build/scripts/run_msvc_wine.py\"} $(WINE_TOOL-sbr:1093314933)/bin/wine64 -v140 cxx $WINE_ENV ${ARCADIA_ROOT} ${ARCADIA_BUILD_ROOT} $(MSVC)/bin/Hostx64/x64/cl.exe",
-                "cxx_std": "c++latest", 
+                "cxx_std": "c++latest",
                 "version": "2019",
                 "wine": "yes"
             }
@@ -943,8 +943,8 @@
                     "target": {
                         "os": "WIN",
                         "arch": "arm"
-                    }, 
-                    "default": true 
+                    },
+                    "default": true
                 }
             ],
             "params": {
@@ -953,7 +953,7 @@
                 "werror_mode": "compiler_specific",
                 "c_compiler": "${YMAKE_PYTHON} ${input:\"build/scripts/run_msvc_wine.py\"} $(WINE_TOOL-sbr:1093314933)/bin/wine64 -v140 c $WINE_ENV ${ARCADIA_ROOT} ${ARCADIA_BUILD_ROOT} $(MSVC)/bin/Hostx64/arm/cl.exe",
                 "cxx_compiler": "${YMAKE_PYTHON} ${input:\"build/scripts/run_msvc_wine.py\"} $(WINE_TOOL-sbr:1093314933)/bin/wine64 -v140 cxx $WINE_ENV ${ARCADIA_ROOT} ${ARCADIA_BUILD_ROOT} $(MSVC)/bin/Hostx64/arm/cl.exe",
-                "cxx_std": "c++latest", 
+                "cxx_std": "c++latest",
                 "version": "2019",
                 "wine": "yes"
             }
@@ -5726,7 +5726,7 @@
     "bottles": {
         "msvc2019": {
             "formula": {
-                "sandbox_id": 887495315, 
+                "sandbox_id": 887495315,
                 "match": "Microsoft Visual C++"
             },
             "executable": {
@@ -6485,7 +6485,7 @@
         },
         "wine": {
             "formula": {
-                "sandbox_id": 495594294, 
+                "sandbox_id": 495594294,
                 "match": "Wine"
             },
             "executable": {
@@ -7295,7 +7295,7 @@
         },
         "ygdiff": {
             "formula": {
-                "sandbox_id": 982695480, 
+                "sandbox_id": 982695480,
                 "match": "ygdiff"
             },
             "executable": {
diff --git a/build/ymake.core.conf b/build/ymake.core.conf
index 1e890229fc..081833998b 100644
--- a/build/ymake.core.conf
+++ b/build/ymake.core.conf
@@ -276,11 +276,11 @@ PERL_DEFAULT_PEERDIR=yes
 
 # tag:perl-specific
 PERLSUFFIX=-csuffix .cpp
-PERLOUTPUT=${stdout;output:SRC.cpp} 
-when ($PERLC == "yes") { 
-    PERLSUFFIX=-csuffix .c 
-    PERLOUTPUT=${stdout;output:SRC.c} 
-} 
+PERLOUTPUT=${stdout;output:SRC.cpp}
+when ($PERLC == "yes") {
+    PERLSUFFIX=-csuffix .c
+    PERLOUTPUT=${stdout;output:SRC.c}
+}
 XSUBPPFLAGS=
 
 # tag:tool-specific
@@ -298,7 +298,7 @@ FML_TOOL=${tool:"tools/relev_fml_codegen"}
 FML_UNUSED_TOOL=${tool:"tools/relev_fml_unused"}
 LUA_TOOL=${tool:"tools/lua"}
 ENUM_PARSER_TOOL=${tool:"tools/enum_parser/enum_parser"}
- 
+
 # tag:python-specific tag:cython-specific
 CYTHON_SCRIPT=${input:"${ARCADIA_ROOT}/contrib/tools/cython/cython.py"}
 RUN_CYTHON_SCRIPT=$YMAKE_PYTHON $CYTHON_SCRIPT
@@ -345,42 +345,42 @@ FATAL_ERROR_MODULE=no
 FATAL_ERROR_MESSAGE=
 
 # tag:python-specific
-# PYTHON_DISTR={ "default" | "macos-brew" }  determine python system supply 
+# PYTHON_DISTR={ "default" | "macos-brew" }  determine python system supply
 # see build/platform/python/ya.make
-PYTHON_DISTR="default" 
-when ($USE_SYSTEM_PYTHON) { 
-    USE_ARCADIA_PYTHON=no 
+PYTHON_DISTR="default"
+when ($USE_SYSTEM_PYTHON) {
+    USE_ARCADIA_PYTHON=no
     select ($USE_SYSTEM_PYTHON) {
         "2.7" ? {
             _SYSTEM_PYTHON27=yes
-            PY_VERSION=2.7 
-            PY_FRAMEWORK_VERSION=2.7 
+            PY_VERSION=2.7
+            PY_FRAMEWORK_VERSION=2.7
         }
-        "3.4" ? { 
+        "3.4" ? {
             _SYSTEM_PYTHON34=yes
-            PY_VERSION=3.4m 
-            PY_FRAMEWORK_VERSION=3.4 
-        } 
+            PY_VERSION=3.4m
+            PY_FRAMEWORK_VERSION=3.4
+        }
         "3.5" ? {
             _SYSTEM_PYTHON35=yes
-            PY_VERSION=3.5m 
-            PY_FRAMEWORK_VERSION=3.5 
+            PY_VERSION=3.5m
+            PY_FRAMEWORK_VERSION=3.5
         }
         "3.6" ? {
             _SYSTEM_PYTHON36=yes
-            PY_VERSION=3.6m 
-            PY_FRAMEWORK_VERSION=3.6 
+            PY_VERSION=3.6m
+            PY_FRAMEWORK_VERSION=3.6
+        }
+        "3.7" ? {
+            _SYSTEM_PYTHON37=yes
+            PY_VERSION=3.7m
+            PY_FRAMEWORK_VERSION=3.7
+        }
+        "3.8" ? {
+            _SYSTEM_PYTHON38=yes
+            PY_VERSION=3.8
+            PY_FRAMEWORK_VERSION=3.8
         }
-        "3.7" ? { 
-            _SYSTEM_PYTHON37=yes 
-            PY_VERSION=3.7m 
-            PY_FRAMEWORK_VERSION=3.7 
-        } 
-        "3.8" ? { 
-            _SYSTEM_PYTHON38=yes 
-            PY_VERSION=3.8 
-            PY_FRAMEWORK_VERSION=3.8 
-        } 
         "3.9" ? {
             _SYSTEM_PYTHON39=yes
             PY_VERSION=3.9
@@ -394,9 +394,9 @@ when ($USE_SYSTEM_PYTHON) {
         default ? {
             FATAL_ERROR_MESSAGE+=invalid USE_SYSTEM_PYTHON value
         }
-    } 
-} 
- 
+    }
+}
+
 # tag:python-specific
 YMAKE_PYTHON3_PEER=build/platform/python/ymake_python3
 YMAKE_PYTHON3=$YMAKE_PYTHON3_RESOURCE_GLOBAL/python3
@@ -1215,14 +1215,14 @@ module _BASE_UNIT: _BARE_UNIT {
         }
     }
 
-    when ($HARDENING == "yes") { 
-        when ($CLANG) { 
+    when ($HARDENING == "yes") {
+        when ($CLANG) {
             CFLAGS+=-fstack-protector-all -D_hardening_enabled_
             LDFLAGS+=-z relro -z now -z noexecstack
             PIE=yes
-        } 
-    } 
- 
+        }
+    }
+
     when ($USE_LTO == "yes") {
         when ($GCC) {
             CFLAGS+=-flto -fno-fat-lto-objects
@@ -2667,15 +2667,15 @@ module PY_ANY_MODULE: DLL_UNIT {
         LDFLAGS+= -Wl,-Bsymbolic
     }
 
-    when ($USE_ARCADIA_PYTHON == "no") { 
-        when ($USE_SYSTEM_PYTHON) { 
+    when ($USE_ARCADIA_PYTHON == "no") {
+        when ($USE_SYSTEM_PYTHON) {
             PEERDIR+=build/platform/python
-        } 
-        otherwise { 
-            when ($MSVC == "yes" || $CYGWIN == "yes") { 
-                LDFLAGS+=$PYTHON_LIBRARIES 
-            } 
-        } 
+        }
+        otherwise {
+            when ($MSVC == "yes" || $CYGWIN == "yes") {
+                LDFLAGS+=$PYTHON_LIBRARIES
+            }
+        }
     }
 
     # This by now replicates ymake's bahavior. We'll get rid of SONAME setting in ymake and fix this code alltogether
@@ -2691,7 +2691,7 @@ module PY_ANY_MODULE: DLL_UNIT {
     }
 
     when ($MSVC == "yes" || $CYGWIN == "yes") {
-        MODULE_PREFIX= 
+        MODULE_PREFIX=
         MODULE_SUFFIX=.pyd
     }
     otherwise {
@@ -5124,12 +5124,12 @@ macro _PYTHON_ADDINCL() {
         CFLAGS+=-DARCADIA_PYTHON_UNICODE_SIZE=$ARCADIA_PYTHON_UNICODE_SIZE
     }
     otherwise {
-        when ($USE_SYSTEM_PYTHON) { 
+        when ($USE_SYSTEM_PYTHON) {
             PEERDIR+=build/platform/python
-        } 
-        otherwise { 
-            CFLAGS+=$PYTHON_INCLUDE 
-        } 
+        }
+        otherwise {
+            CFLAGS+=$PYTHON_INCLUDE
+        }
     }
 }
 
@@ -5776,7 +5776,7 @@ macro _SRC("sfdl", SRC, SRCFLAGS...) {
 
 # tag:src-processing
 macro _SRC("xs", SRC, SRCFLAGS...) {
-    .CMD=$PERL_LD_LIBRARY_PATH $PERL $PERL_INCLUDE ${suf=/ExtUtils/xsubpp:PERL_PRIVLIB} -typemap ${suf=/ExtUtils/typemap:PERL_PRIVLIB} $PERLSUFFIX $XSUBPPFLAGS ${SRCFLAGS} ${input:SRC} $PERLOUTPUT ${kv;hide:"p XS"} ${kv;hide:"pc yellow"} 
+    .CMD=$PERL_LD_LIBRARY_PATH $PERL $PERL_INCLUDE ${suf=/ExtUtils/xsubpp:PERL_PRIVLIB} -typemap ${suf=/ExtUtils/typemap:PERL_PRIVLIB} $PERLSUFFIX $XSUBPPFLAGS ${SRCFLAGS} ${input:SRC} $PERLOUTPUT ${kv;hide:"p XS"} ${kv;hide:"pc yellow"}
 }
 
 # tag:src-processing
@@ -6297,7 +6297,7 @@ macro BUILDWITH_CYTHON_C(Src, Options...) {
     .CMD=$RUN_CYTHON_SCRIPT $CYTHON_OPTIONS ${Options} ${pre=-I:_CYTHON__INCLUDE} ${input:Src} -o ${output;tobindir:Src.c} $CYTHON_OUTPUT_INCLUDES ${requirements;hide:PY_REQUIREMENTS} ${kv;hide:"p CY"} ${kv;hide:"pc yellow"}
     ADDINCL(FOR cython contrib/tools/cython/Cython/Includes)
 }
- 
+
 # tag:python-processing tag:cython tag:internal
 ### @usage: _BUILDWITH_CYTHON_C_DEP(Src Dep Options...) # internal
 ###
@@ -6556,8 +6556,8 @@ macro LDFLAGS(Flags...) {
 ### Note: remember about the incompatibility flags for clang and cl (to set flags specifically for cl.exe use MSVC_FLAGS).
 macro CFLAGS(Flags...) {
    SET_APPEND_WITH_GLOBAL(USER_CFLAGS $Flags)
-} 
- 
+}
+
 # tag:flags
 ### @usage: MASMFLAGS(compiler flags)
 ### Add the specified flags to the compilation command of .masm files.
@@ -7317,16 +7317,16 @@ macro _SRC_yasm(SRC, PREINCLUDES[], SRCFLAGS...) {
 macro ASM_PREINCLUDE(PREINCLUDES...) {
     SET_APPEND(YASM_PREINCLUDES_VALUE $PREINCLUDES)
 }
- 
+
 # tag:python-specific
 ### @usage: RUN_PYTHON(Args...)
 ###
 ### Version of RUN() macro to invoke Python scripts
 ### @see: [RUN()](#macro_RUN)
 macro RUN_PYTHON(Args...) {
-    SETUP_RUN_PYTHON() 
-    RUN(${PYTHON_BIN} $Args) 
-} 
+    SETUP_RUN_PYTHON()
+    RUN(${PYTHON_BIN} $Args)
+}
 
 ### @usage: RUN_ANTLR(Args...)
 ###
diff --git a/build/ymake_conf.py b/build/ymake_conf.py
index fc847a9a84..30219eb85e 100755
--- a/build/ymake_conf.py
+++ b/build/ymake_conf.py
@@ -634,9 +634,9 @@ class Build(object):
                 python.configure_posix()
                 python.print_variables()
 
-        cuda = Cuda(self) 
-        cuda.print_() 
-        CuDNN(cuda).print_() 
+        cuda = Cuda(self)
+        cuda.print_()
+        CuDNN(cuda).print_()
 
         print_swig_config()
 
@@ -970,8 +970,8 @@ class ToolchainOptions(object):
         logger.debug('c_compiler=%s', self.c_compiler)
         logger.debug('cxx_compiler=%s', self.cxx_compiler)
 
-        self.compiler_platform_projects = self.target.find_in_dict(self.params.get('platform'), []) 
- 
+        self.compiler_platform_projects = self.target.find_in_dict(self.params.get('platform'), [])
+
     def version_at_least(self, *args):
         return args <= tuple(self.compiler_version_list)
 
@@ -1743,10 +1743,10 @@ class SwiftCompiler(object):
 
 
 class Linker(object):
-    BFD = 'bfd' 
-    LLD = 'lld' 
-    GOLD = 'gold' 
- 
+    BFD = 'bfd'
+    LLD = 'lld'
+    GOLD = 'gold'
+
     def __init__(self, tc, build):
         """
         :type tc: ToolchainOptions
@@ -2239,14 +2239,14 @@ class MSVCToolchainOptions(ToolchainOptions):
             # TODO(somov): Определять автоматически self.version в этом случае
 
         else:
-            if self.version_at_least(2019): 
-                self.sdk_version = '10.0.18362.0' 
-                sdk_dir = '$(WINDOWS_KITS-sbr:1939557911)' 
-                if is_positive('MSVC20'):  # XXX: temporary flag, remove after DTCC-123 is completed 
-                    self.cxx_std = 'c++latest' 
-            else: 
-                self.sdk_version = '10.0.16299.0' 
-                sdk_dir = '$(WINDOWS_KITS-sbr:1379398385)' 
+            if self.version_at_least(2019):
+                self.sdk_version = '10.0.18362.0'
+                sdk_dir = '$(WINDOWS_KITS-sbr:1939557911)'
+                if is_positive('MSVC20'):  # XXX: temporary flag, remove after DTCC-123 is completed
+                    self.cxx_std = 'c++latest'
+            else:
+                self.sdk_version = '10.0.16299.0'
+                sdk_dir = '$(WINDOWS_KITS-sbr:1379398385)'
 
             self.vc_root = self.name_marker if not self.use_clang else '$MSVC_FOR_CLANG_RESOURCE_GLOBAL'
             self.kit_includes = os.path.join(sdk_dir, 'Include', self.sdk_version)
@@ -2356,7 +2356,7 @@ class MSVCCompiler(MSVC, Compiler):
             4201,  # nonstandard extension used : nameless struct/union
             4351,  # elements of array will be default initialized
             4355,  # 'this' : used in base member initializer list
-            4503,  # decorated name length exceeded, name was truncated 
+            4503,  # decorated name length exceeded, name was truncated
             4510,  # default constructor could not be generated
             4511,  # copy constructor could not be generated
             4512,  # assignment operator could not be generated
@@ -3148,8 +3148,8 @@ class Cuda(object):
             'Y_SDK_Root': '$WINDOWS_KITS_RESOURCE_GLOBAL',
         }
 
-        if not self.build.tc.ide_msvs: 
-            self.peerdirs.append('build/platform/msvc') 
+        if not self.build.tc.ide_msvs:
+            self.peerdirs.append('build/platform/msvc')
         self.cuda_host_compiler_env.value = format_env(env)
         self.cuda_host_msvc_version.value = vc_version
         return '%(Y_VC_Root)s/bin/HostX64/x64/cl.exe' % env
@@ -3176,26 +3176,26 @@ class Cuda(object):
             self.cuda_host_compiler_env.value = format_env({'Y_VC_Root': vc_root})
 
 
-class CuDNN(object): 
-    def __init__(self, cuda): 
-        """ 
-        :type cuda: Cuda 
-        """ 
-        self.cuda = cuda 
- 
-        self.cudnn_version = Setting('CUDNN_VERSION', auto=self.auto_cudnn_version) 
- 
-    def have_cudnn(self): 
-        return self.cudnn_version.value in ('7.6.5', '8.0.5') 
- 
-    def auto_cudnn_version(self): 
-        return '7.6.5' 
- 
-    def print_(self): 
-        if self.cuda.have_cuda.value and self.have_cudnn(): 
-            self.cudnn_version.emit() 
- 
- 
+class CuDNN(object):
+    def __init__(self, cuda):
+        """
+        :type cuda: Cuda
+        """
+        self.cuda = cuda
+
+        self.cudnn_version = Setting('CUDNN_VERSION', auto=self.auto_cudnn_version)
+
+    def have_cudnn(self):
+        return self.cudnn_version.value in ('7.6.5', '8.0.5')
+
+    def auto_cudnn_version(self):
+        return '7.6.5'
+
+    def print_(self):
+        if self.cuda.have_cuda.value and self.have_cudnn():
+            self.cudnn_version.emit()
+
+
 def print_swig_config():
     def get_swig_tool():
         tool = preset('USER_SWIG_TOOL')