Restoring authorship annotation for <abodrov@yandex-team.ru>. Commit 1 of 2.

26 files changed, 357 insertions, 357 deletions

diff --git a/library/python/runtime_py3/importer.pxi b/library/python/runtime_py3/importer.pxi
index 904f94dea2..56aa0b08df 100644
--- a/library/python/runtime_py3/importer.pxi
+++ b/library/python/runtime_py3/importer.pxi
@@ -254,11 +254,11 @@ class ResourceImporter(object):
     # Used by `linecache` (while printing tracebacks) unless module filename
     # exists on the filesystem.
     def get_source(self, fullname):
-        fullname = self._source_name.get(fullname) or fullname
-        if self.is_package(fullname):
-            fullname += '.__init__'
-
-        relpath = self.get_filename(fullname)
+        fullname = self._source_name.get(fullname) or fullname 
+        if self.is_package(fullname): 
+            fullname += '.__init__' 
+ 
+        relpath = self.get_filename(fullname) 
         if relpath:
             abspath = resfs_resolve(relpath)
             if abspath:
diff --git a/library/python/runtime_py3/test/canondata/result.json b/library/python/runtime_py3/test/canondata/result.json
index a7d045fc9c..3d07930460 100644
--- a/library/python/runtime_py3/test/canondata/result.json
+++ b/library/python/runtime_py3/test/canondata/result.json
@@ -1,62 +1,62 @@
-{
-    "test_traceback.test_traceback[custom-default]": {
-        "stderr": {
+{ 
+    "test_traceback.test_traceback[custom-default]": { 
+        "stderr": { 
             "checksum": "6c1a9b47baa51cc6903b85fd43c529b5",
-            "uri": "file://test_traceback.test_traceback_custom-default_/stderr.txt"
-        },
-        "stdout": {
-            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89",
-            "uri": "file://test_traceback.test_traceback_custom-default_/stdout.txt"
-        }
-    },
-    "test_traceback.test_traceback[custom-ultratb_color]": {
-        "stderr": {
-            "checksum": "048e27049fb8db64bd295b17f505b0ad",
-            "uri": "file://test_traceback.test_traceback_custom-ultratb_color_/stderr.txt"
-        },
-        "stdout": {
-            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89",
-            "uri": "file://test_traceback.test_traceback_custom-ultratb_color_/stdout.txt"
-        }
-    },
-    "test_traceback.test_traceback[custom-ultratb_verbose]": {
-        "stderr": {
-            "checksum": "e9af42aa3736141d9b67a1652eea412e",
-            "uri": "file://test_traceback.test_traceback_custom-ultratb_verbose_/stderr.txt"
-        },
-        "stdout": {
-            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89",
-            "uri": "file://test_traceback.test_traceback_custom-ultratb_verbose_/stdout.txt"
-        }
-    },
-    "test_traceback.test_traceback[main-default]": {
-        "stderr": {
+            "uri": "file://test_traceback.test_traceback_custom-default_/stderr.txt" 
+        }, 
+        "stdout": { 
+            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89", 
+            "uri": "file://test_traceback.test_traceback_custom-default_/stdout.txt" 
+        } 
+    }, 
+    "test_traceback.test_traceback[custom-ultratb_color]": { 
+        "stderr": { 
+            "checksum": "048e27049fb8db64bd295b17f505b0ad", 
+            "uri": "file://test_traceback.test_traceback_custom-ultratb_color_/stderr.txt" 
+        }, 
+        "stdout": { 
+            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89", 
+            "uri": "file://test_traceback.test_traceback_custom-ultratb_color_/stdout.txt" 
+        } 
+    }, 
+    "test_traceback.test_traceback[custom-ultratb_verbose]": { 
+        "stderr": { 
+            "checksum": "e9af42aa3736141d9b67a1652eea412e", 
+            "uri": "file://test_traceback.test_traceback_custom-ultratb_verbose_/stderr.txt" 
+        }, 
+        "stdout": { 
+            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89", 
+            "uri": "file://test_traceback.test_traceback_custom-ultratb_verbose_/stdout.txt" 
+        } 
+    }, 
+    "test_traceback.test_traceback[main-default]": { 
+        "stderr": { 
             "checksum": "6c1a9b47baa51cc6903b85fd43c529b5",
-            "uri": "file://test_traceback.test_traceback_main-default_/stderr.txt"
-        },
-        "stdout": {
-            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89",
-            "uri": "file://test_traceback.test_traceback_main-default_/stdout.txt"
-        }
-    },
-    "test_traceback.test_traceback[main-ultratb_color]": {
-        "stderr": {
-            "checksum": "048e27049fb8db64bd295b17f505b0ad",
-            "uri": "file://test_traceback.test_traceback_main-ultratb_color_/stderr.txt"
-        },
-        "stdout": {
-            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89",
-            "uri": "file://test_traceback.test_traceback_main-ultratb_color_/stdout.txt"
-        }
-    },
-    "test_traceback.test_traceback[main-ultratb_verbose]": {
-        "stderr": {
-            "checksum": "e9af42aa3736141d9b67a1652eea412e",
-            "uri": "file://test_traceback.test_traceback_main-ultratb_verbose_/stderr.txt"
-        },
-        "stdout": {
-            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89",
-            "uri": "file://test_traceback.test_traceback_main-ultratb_verbose_/stdout.txt"
-        }
-    }
-}
\ No newline at end of file
+            "uri": "file://test_traceback.test_traceback_main-default_/stderr.txt" 
+        }, 
+        "stdout": { 
+            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89", 
+            "uri": "file://test_traceback.test_traceback_main-default_/stdout.txt" 
+        } 
+    }, 
+    "test_traceback.test_traceback[main-ultratb_color]": { 
+        "stderr": { 
+            "checksum": "048e27049fb8db64bd295b17f505b0ad", 
+            "uri": "file://test_traceback.test_traceback_main-ultratb_color_/stderr.txt" 
+        }, 
+        "stdout": { 
+            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89", 
+            "uri": "file://test_traceback.test_traceback_main-ultratb_color_/stdout.txt" 
+        } 
+    }, 
+    "test_traceback.test_traceback[main-ultratb_verbose]": { 
+        "stderr": { 
+            "checksum": "e9af42aa3736141d9b67a1652eea412e", 
+            "uri": "file://test_traceback.test_traceback_main-ultratb_verbose_/stderr.txt" 
+        }, 
+        "stdout": { 
+            "checksum": "e120a1e0b7fdddc8e6b4d4b506403e89", 
+            "uri": "file://test_traceback.test_traceback_main-ultratb_verbose_/stdout.txt" 
+        } 
+    } 
+} 
\ No newline at end of file
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stderr.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stderr.txt
index 5eb7da170a..3c955aebe5 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stderr.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stderr.txt
@@ -1,12 +1,12 @@
-Traceback (most recent call last):
-  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main
+Traceback (most recent call last): 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main 
     one()
-  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one
+  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one 
     modfunc(two)  # aaa
-  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc
+  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc 
     f()  # call back to caller
-  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two
+  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two 
     three(42)
-  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three
+  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three 
     raise RuntimeError('Kaboom! I\'m dead: {}'.format(x))
-RuntimeError: Kaboom! I'm dead: 42
+RuntimeError: Kaboom! I'm dead: 42 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stdout.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stdout.txt
index 2c9793eb14..cf67cf5eef 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stdout.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-default_/stdout.txt
@@ -1,2 +1,2 @@
-__name__ = library.python.runtime_py3.test.traceback.crash
-__file__ = library/python/runtime_py3/test/traceback/crash.py
+__name__ = library.python.runtime_py3.test.traceback.crash 
+__file__ = library/python/runtime_py3/test/traceback/crash.py 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stderr.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stderr.txt
index 9e5a474cbd..03d0c8273a 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stderr.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stderr.txt
@@ -1,13 +1,13 @@
-Traceback (most recent call last):
-  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main
-    one()
-  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one
-    modfunc(two)  # aaa
-  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc
-    f()  # call back to caller
-  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two
-    three(42)
-  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three
-    raise RuntimeError('Kaboom! I\'m dead: {}'.format(x))
-RuntimeError: Kaboom! I'm dead: 42
-
+Traceback (most recent call last): 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main 
+    one() 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one 
+    modfunc(two)  # aaa 
+  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc 
+    f()  # call back to caller 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two 
+    three(42) 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three 
+    raise RuntimeError('Kaboom! I\'m dead: {}'.format(x)) 
+RuntimeError: Kaboom! I'm dead: 42 
+ 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stdout.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stdout.txt
index 2c9793eb14..cf67cf5eef 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stdout.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_color_/stdout.txt
@@ -1,2 +1,2 @@
-__name__ = library.python.runtime_py3.test.traceback.crash
-__file__ = library/python/runtime_py3/test/traceback/crash.py
+__name__ = library.python.runtime_py3.test.traceback.crash 
+__file__ = library/python/runtime_py3/test/traceback/crash.py 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stderr.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stderr.txt
index b0b299ebe6..b7ba1a2df2 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stderr.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stderr.txt
@@ -1,41 +1,41 @@
----------------------------------------------------------------------------
-RuntimeError                              Traceback (most recent call last)
-library/python/runtime_py3/test/traceback/crash.py in main()
-     42     sys.executable = '<traceback test>'
-     43 
----> 44     one()
-        global one = <function one>
-
-library/python/runtime_py3/test/traceback/crash.py in one()
-     10 
-     11 def one():
----> 12     modfunc(two)  # aaa
-        global modfunc = <function modfunc>
-        global two = <function two>
-     13 
-     14 
-
-library/python/runtime_py3/test/traceback/mod/__init__.py in modfunc(f=<function two>)
-      1 def modfunc(f):
-      2     # lalala
-----> 3     f()  # call back to caller
-        f = <function two>
-
-library/python/runtime_py3/test/traceback/crash.py in two()
-     14 
-     15 def two():
----> 16     three(42)
-        global three = <function three>
-     17 
-     18 
-
-library/python/runtime_py3/test/traceback/crash.py in three(x=42)
-     18 
-     19 def three(x):
----> 20     raise RuntimeError('Kaboom! I\'m dead: {}'.format(x))
-        global RuntimeError.format = undefined
-        x = 42
-     21 
-     22 
-
-RuntimeError: Kaboom! I'm dead: 42
+--------------------------------------------------------------------------- 
+RuntimeError                              Traceback (most recent call last) 
+library/python/runtime_py3/test/traceback/crash.py in main() 
+     42     sys.executable = '<traceback test>' 
+     43  
+---> 44     one() 
+        global one = <function one> 
+ 
+library/python/runtime_py3/test/traceback/crash.py in one() 
+     10  
+     11 def one(): 
+---> 12     modfunc(two)  # aaa 
+        global modfunc = <function modfunc> 
+        global two = <function two> 
+     13  
+     14  
+ 
+library/python/runtime_py3/test/traceback/mod/__init__.py in modfunc(f=<function two>) 
+      1 def modfunc(f): 
+      2     # lalala 
+----> 3     f()  # call back to caller 
+        f = <function two> 
+ 
+library/python/runtime_py3/test/traceback/crash.py in two() 
+     14  
+     15 def two(): 
+---> 16     three(42) 
+        global three = <function three> 
+     17  
+     18  
+ 
+library/python/runtime_py3/test/traceback/crash.py in three(x=42) 
+     18  
+     19 def three(x): 
+---> 20     raise RuntimeError('Kaboom! I\'m dead: {}'.format(x)) 
+        global RuntimeError.format = undefined 
+        x = 42 
+     21  
+     22  
+ 
+RuntimeError: Kaboom! I'm dead: 42 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stdout.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stdout.txt
index 2c9793eb14..cf67cf5eef 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stdout.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_custom-ultratb_verbose_/stdout.txt
@@ -1,2 +1,2 @@
-__name__ = library.python.runtime_py3.test.traceback.crash
-__file__ = library/python/runtime_py3/test/traceback/crash.py
+__name__ = library.python.runtime_py3.test.traceback.crash 
+__file__ = library/python/runtime_py3/test/traceback/crash.py 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stderr.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stderr.txt
index 5eb7da170a..3c955aebe5 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stderr.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stderr.txt
@@ -1,12 +1,12 @@
-Traceback (most recent call last):
-  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main
+Traceback (most recent call last): 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main 
     one()
-  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one
+  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one 
     modfunc(two)  # aaa
-  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc
+  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc 
     f()  # call back to caller
-  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two
+  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two 
     three(42)
-  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three
+  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three 
     raise RuntimeError('Kaboom! I\'m dead: {}'.format(x))
-RuntimeError: Kaboom! I'm dead: 42
+RuntimeError: Kaboom! I'm dead: 42 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stdout.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stdout.txt
index 2c9793eb14..cf67cf5eef 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stdout.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-default_/stdout.txt
@@ -1,2 +1,2 @@
-__name__ = library.python.runtime_py3.test.traceback.crash
-__file__ = library/python/runtime_py3/test/traceback/crash.py
+__name__ = library.python.runtime_py3.test.traceback.crash 
+__file__ = library/python/runtime_py3/test/traceback/crash.py 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stderr.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stderr.txt
index 9e5a474cbd..03d0c8273a 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stderr.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stderr.txt
@@ -1,13 +1,13 @@
-Traceback (most recent call last):
-  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main
-    one()
-  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one
-    modfunc(two)  # aaa
-  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc
-    f()  # call back to caller
-  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two
-    three(42)
-  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three
-    raise RuntimeError('Kaboom! I\'m dead: {}'.format(x))
-RuntimeError: Kaboom! I'm dead: 42
-
+Traceback (most recent call last): 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 44, in main 
+    one() 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 12, in one 
+    modfunc(two)  # aaa 
+  File "library/python/runtime_py3/test/traceback/mod/__init__.py", line 3, in modfunc 
+    f()  # call back to caller 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 16, in two 
+    three(42) 
+  File "library/python/runtime_py3/test/traceback/crash.py", line 20, in three 
+    raise RuntimeError('Kaboom! I\'m dead: {}'.format(x)) 
+RuntimeError: Kaboom! I'm dead: 42 
+ 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stdout.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stdout.txt
index 2c9793eb14..cf67cf5eef 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stdout.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_color_/stdout.txt
@@ -1,2 +1,2 @@
-__name__ = library.python.runtime_py3.test.traceback.crash
-__file__ = library/python/runtime_py3/test/traceback/crash.py
+__name__ = library.python.runtime_py3.test.traceback.crash 
+__file__ = library/python/runtime_py3/test/traceback/crash.py 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stderr.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stderr.txt
index b0b299ebe6..b7ba1a2df2 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stderr.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stderr.txt
@@ -1,41 +1,41 @@
----------------------------------------------------------------------------
-RuntimeError                              Traceback (most recent call last)
-library/python/runtime_py3/test/traceback/crash.py in main()
-     42     sys.executable = '<traceback test>'
-     43 
----> 44     one()
-        global one = <function one>
-
-library/python/runtime_py3/test/traceback/crash.py in one()
-     10 
-     11 def one():
----> 12     modfunc(two)  # aaa
-        global modfunc = <function modfunc>
-        global two = <function two>
-     13 
-     14 
-
-library/python/runtime_py3/test/traceback/mod/__init__.py in modfunc(f=<function two>)
-      1 def modfunc(f):
-      2     # lalala
-----> 3     f()  # call back to caller
-        f = <function two>
-
-library/python/runtime_py3/test/traceback/crash.py in two()
-     14 
-     15 def two():
----> 16     three(42)
-        global three = <function three>
-     17 
-     18 
-
-library/python/runtime_py3/test/traceback/crash.py in three(x=42)
-     18 
-     19 def three(x):
----> 20     raise RuntimeError('Kaboom! I\'m dead: {}'.format(x))
-        global RuntimeError.format = undefined
-        x = 42
-     21 
-     22 
-
-RuntimeError: Kaboom! I'm dead: 42
+--------------------------------------------------------------------------- 
+RuntimeError                              Traceback (most recent call last) 
+library/python/runtime_py3/test/traceback/crash.py in main() 
+     42     sys.executable = '<traceback test>' 
+     43  
+---> 44     one() 
+        global one = <function one> 
+ 
+library/python/runtime_py3/test/traceback/crash.py in one() 
+     10  
+     11 def one(): 
+---> 12     modfunc(two)  # aaa 
+        global modfunc = <function modfunc> 
+        global two = <function two> 
+     13  
+     14  
+ 
+library/python/runtime_py3/test/traceback/mod/__init__.py in modfunc(f=<function two>) 
+      1 def modfunc(f): 
+      2     # lalala 
+----> 3     f()  # call back to caller 
+        f = <function two> 
+ 
+library/python/runtime_py3/test/traceback/crash.py in two() 
+     14  
+     15 def two(): 
+---> 16     three(42) 
+        global three = <function three> 
+     17  
+     18  
+ 
+library/python/runtime_py3/test/traceback/crash.py in three(x=42) 
+     18  
+     19 def three(x): 
+---> 20     raise RuntimeError('Kaboom! I\'m dead: {}'.format(x)) 
+        global RuntimeError.format = undefined 
+        x = 42 
+     21  
+     22  
+ 
+RuntimeError: Kaboom! I'm dead: 42 
diff --git a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stdout.txt b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stdout.txt
index 2c9793eb14..cf67cf5eef 100644
--- a/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stdout.txt
+++ b/library/python/runtime_py3/test/canondata/test_traceback.test_traceback_main-ultratb_verbose_/stdout.txt
@@ -1,2 +1,2 @@
-__name__ = library.python.runtime_py3.test.traceback.crash
-__file__ = library/python/runtime_py3/test/traceback/crash.py
+__name__ = library.python.runtime_py3.test.traceback.crash 
+__file__ = library/python/runtime_py3/test/traceback/crash.py 
diff --git a/library/python/runtime_py3/test/test_traceback.py b/library/python/runtime_py3/test/test_traceback.py
index 82087ce98a..0cc4dec75a 100644
--- a/library/python/runtime_py3/test/test_traceback.py
+++ b/library/python/runtime_py3/test/test_traceback.py
@@ -1,63 +1,63 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import print_function, absolute_import, division
-
-import os
-import re
-
-import pytest
-
-import yatest.common as yc
-
-
-def clean_traceback(traceback):
-    traceback = re.sub(br'\033\[(\d|;)+?m', b'', traceback)  # strip ANSI codes
-    traceback = re.sub(br' at 0x[0-9a-fA-F]+', b'', traceback)  # remove object ids
-    return traceback
-
-
-@pytest.mark.parametrize('mode', [
-    'default',
-    'ultratb_color',
-    'ultratb_verbose',
-])
-@pytest.mark.parametrize('entry_point', [
-    'main',
-    'custom',
-])
-def test_traceback(mode, entry_point):
-    tb_tool = yc.build_path('library/python/runtime_py3/test/traceback/traceback')
-    stdout_path = yc.test_output_path('stdout_raw.txt')
-    stderr_path = yc.test_output_path('stderr_raw.txt')
-    filtered_stdout_path = yc.test_output_path('stdout.txt')
-    filtered_stderr_path = yc.test_output_path('stderr.txt')
-
-    env = os.environ.copy()
+# -*- coding: utf-8 -*- 
+ 
+from __future__ import print_function, absolute_import, division 
+ 
+import os 
+import re 
+ 
+import pytest 
+ 
+import yatest.common as yc 
+ 
+ 
+def clean_traceback(traceback): 
+    traceback = re.sub(br'\033\[(\d|;)+?m', b'', traceback)  # strip ANSI codes 
+    traceback = re.sub(br' at 0x[0-9a-fA-F]+', b'', traceback)  # remove object ids 
+    return traceback 
+ 
+ 
+@pytest.mark.parametrize('mode', [ 
+    'default', 
+    'ultratb_color', 
+    'ultratb_verbose', 
+]) 
+@pytest.mark.parametrize('entry_point', [ 
+    'main', 
+    'custom', 
+]) 
+def test_traceback(mode, entry_point): 
+    tb_tool = yc.build_path('library/python/runtime_py3/test/traceback/traceback') 
+    stdout_path = yc.test_output_path('stdout_raw.txt') 
+    stderr_path = yc.test_output_path('stderr_raw.txt') 
+    filtered_stdout_path = yc.test_output_path('stdout.txt') 
+    filtered_stderr_path = yc.test_output_path('stderr.txt') 
+ 
+    env = os.environ.copy() 
     env.pop('PYTHONPATH', None)  # Do not let program peek into its sources on filesystem
-    if entry_point == 'custom':
-        env['Y_PYTHON_ENTRY_POINT'] = 'library.python.runtime_py3.test.traceback.crash:main'
-
-    proc = yc.execute(
-        command=[tb_tool, mode],
-        env=env,
-        stdout=stdout_path,
-        stderr=stderr_path,
-        check_exit_code=False,
-    )
-
-    with open(filtered_stdout_path, 'wb') as f:
-        f.write(clean_traceback(proc.std_out))
-
-    with open(filtered_stderr_path, 'wb') as f:
-        f.write(clean_traceback(proc.std_err))
-
-    return {
-        'stdout': yc.canonical_file(
-            filtered_stdout_path,
-            local=True,
-        ),
-        'stderr': yc.canonical_file(
-            filtered_stderr_path,
-            local=True,
-        ),
-    }
+    if entry_point == 'custom': 
+        env['Y_PYTHON_ENTRY_POINT'] = 'library.python.runtime_py3.test.traceback.crash:main' 
+ 
+    proc = yc.execute( 
+        command=[tb_tool, mode], 
+        env=env, 
+        stdout=stdout_path, 
+        stderr=stderr_path, 
+        check_exit_code=False, 
+    ) 
+ 
+    with open(filtered_stdout_path, 'wb') as f: 
+        f.write(clean_traceback(proc.std_out)) 
+ 
+    with open(filtered_stderr_path, 'wb') as f: 
+        f.write(clean_traceback(proc.std_err)) 
+ 
+    return { 
+        'stdout': yc.canonical_file( 
+            filtered_stdout_path, 
+            local=True, 
+        ), 
+        'stderr': yc.canonical_file( 
+            filtered_stderr_path, 
+            local=True, 
+        ), 
+    } 
diff --git a/library/python/runtime_py3/test/traceback/__main__.py b/library/python/runtime_py3/test/traceback/__main__.py
index 364db169f0..b9dadae488 100644
--- a/library/python/runtime_py3/test/traceback/__main__.py
+++ b/library/python/runtime_py3/test/traceback/__main__.py
@@ -1,4 +1,4 @@
-from library.python.runtime_py3.test.traceback.crash import main
-
-if __name__ == "__main__":
-    main()
+from library.python.runtime_py3.test.traceback.crash import main 
+ 
+if __name__ == "__main__": 
+    main() 
diff --git a/library/python/runtime_py3/test/traceback/crash.py b/library/python/runtime_py3/test/traceback/crash.py
index b5e36b3dd4..854d013bdf 100644
--- a/library/python/runtime_py3/test/traceback/crash.py
+++ b/library/python/runtime_py3/test/traceback/crash.py
@@ -1,44 +1,44 @@
-import argparse
-import cgitb
-import sys
-import time
-
-from IPython.core import ultratb
-
-from .mod import modfunc
-
-
-def one():
-    modfunc(two)  # aaa
-
-
-def two():
-    three(42)
-
-
-def three(x):
-    raise RuntimeError('Kaboom! I\'m dead: {}'.format(x))
-
-
-def main():
-    hooks = {
-        'default': lambda: sys.excepthook,
-        'cgitb': lambda: cgitb.Hook(format='text'),
-        'ultratb_color': lambda: ultratb.ColorTB(ostream=sys.stderr),
-        'ultratb_verbose': lambda: ultratb.VerboseTB(ostream=sys.stderr),
-    }
-
-    parser = argparse.ArgumentParser()
-    parser.add_argument('hook', choices=sorted(hooks), default='default')
-
-    args = parser.parse_args()
-
-    sys.excepthook = hooks[args.hook]()
-
-    print('__name__ =', __name__)
-    print('__file__ =', __file__)
-
-    time.time = lambda: 1531996624.0  # Freeze time
-    sys.executable = '<traceback test>'
-
-    one()
+import argparse 
+import cgitb 
+import sys 
+import time 
+ 
+from IPython.core import ultratb 
+ 
+from .mod import modfunc 
+ 
+ 
+def one(): 
+    modfunc(two)  # aaa 
+ 
+ 
+def two(): 
+    three(42) 
+ 
+ 
+def three(x): 
+    raise RuntimeError('Kaboom! I\'m dead: {}'.format(x)) 
+ 
+ 
+def main(): 
+    hooks = { 
+        'default': lambda: sys.excepthook, 
+        'cgitb': lambda: cgitb.Hook(format='text'), 
+        'ultratb_color': lambda: ultratb.ColorTB(ostream=sys.stderr), 
+        'ultratb_verbose': lambda: ultratb.VerboseTB(ostream=sys.stderr), 
+    } 
+ 
+    parser = argparse.ArgumentParser() 
+    parser.add_argument('hook', choices=sorted(hooks), default='default') 
+ 
+    args = parser.parse_args() 
+ 
+    sys.excepthook = hooks[args.hook]() 
+ 
+    print('__name__ =', __name__) 
+    print('__file__ =', __file__) 
+ 
+    time.time = lambda: 1531996624.0  # Freeze time 
+    sys.executable = '<traceback test>' 
+ 
+    one() 
diff --git a/library/python/runtime_py3/test/traceback/mod/__init__.py b/library/python/runtime_py3/test/traceback/mod/__init__.py
index f00843d786..304ec1a8f0 100644
--- a/library/python/runtime_py3/test/traceback/mod/__init__.py
+++ b/library/python/runtime_py3/test/traceback/mod/__init__.py
@@ -1,3 +1,3 @@
-def modfunc(f):
-    # lalala
-    f()  # call back to caller
+def modfunc(f): 
+    # lalala 
+    f()  # call back to caller 
diff --git a/library/python/runtime_py3/test/traceback/ya.make b/library/python/runtime_py3/test/traceback/ya.make
index b61fe9550b..0dddd138f9 100644
--- a/library/python/runtime_py3/test/traceback/ya.make
+++ b/library/python/runtime_py3/test/traceback/ya.make
@@ -1,19 +1,19 @@
-PY3_PROGRAM()
-
+PY3_PROGRAM() 
+ 
 OWNER(
     abodrov
     borman
 )
-
-PEERDIR(
-    contrib/python/ipython
-)
-
-PY_SRCS(
+ 
+PEERDIR( 
+    contrib/python/ipython 
+) 
+ 
+PY_SRCS( 
     MAIN
     __main__.py=main
-    crash.py
-    mod/__init__.py
-)
-
-END()
+    crash.py 
+    mod/__init__.py 
+) 
+ 
+END() 
diff --git a/library/python/runtime_py3/test/ya.make b/library/python/runtime_py3/test/ya.make
index 4ec3db74f5..e7f5603762 100644
--- a/library/python/runtime_py3/test/ya.make
+++ b/library/python/runtime_py3/test/ya.make
@@ -1,12 +1,12 @@
-PY3TEST()
-
+PY3TEST() 
+ 
 OWNER(
     abodrov
     borman
-)
-
+) 
+ 
 DEPENDS(library/python/runtime_py3/test/traceback)
-
+ 
 PEERDIR(
     contrib/python/parameterized
     contrib/python/PyYAML
@@ -35,6 +35,6 @@ RESOURCE_FILES(
     resources/submodule/bar.txt
 )
 
-END()
+END() 
 
 RECURSE_FOR_TESTS(traceback)
diff --git a/library/python/runtime_py3/ya.make b/library/python/runtime_py3/ya.make
index fa5c11341a..6f37a6aade 100644
--- a/library/python/runtime_py3/ya.make
+++ b/library/python/runtime_py3/ya.make
@@ -43,7 +43,7 @@ ELSE()
 ENDIF()
 
 END()
-
-RECURSE_FOR_TESTS(
-    test
-)
+ 
+RECURSE_FOR_TESTS( 
+    test 
+) 
diff --git a/library/python/testing/yatest_common/yatest/common/canonical.py b/library/python/testing/yatest_common/yatest/common/canonical.py
index b6a136d3e9..4943ae1a87 100644
--- a/library/python/testing/yatest_common/yatest/common/canonical.py
+++ b/library/python/testing/yatest_common/yatest/common/canonical.py
@@ -3,8 +3,8 @@ import logging
 import shutil
 import tempfile
 
-import six
-
+import six 
+ 
 from . import process
 from . import runtime
 from . import path
@@ -15,7 +15,7 @@ yatest_logger = logging.getLogger("ya.test")
 def _copy(src, dst, universal_lines=False):
     if universal_lines:
         with open(dst, "wb") as f:
-            for line in open(src, "rbU"):
+            for line in open(src, "rbU"): 
                 f.write(line)
         return
     shutil.copy(src, dst)
@@ -146,7 +146,7 @@ def canonical_py_execute(
 def _prepare_args(args):
     if args is None:
         args = []
-    if isinstance(args, six.string_types):
+    if isinstance(args, six.string_types): 
         args = map(lambda a: a.strip(), args.split())
     return args
 
@@ -165,12 +165,12 @@ def _canonical_execute(excutor, kwargs, file_name, save_locally, diff_tool, diff
     except OSError:
         pass
 
-    with open(out_file_path, "wb") as out_file:
+    with open(out_file_path, "wb") as out_file: 
         yatest_logger.debug("Will store file in %s", out_file_path)
         out_file.write(res.std_out)
 
     if res.std_err:
-        with open(err_file_path, "wb") as err_file:
+        with open(err_file_path, "wb") as err_file: 
             err_file.write(res.std_err)
 
     return canonical_file(out_file_path, local=save_locally, diff_tool=diff_tool, diff_file_name=diff_file_name, diff_tool_timeout=diff_tool_timeout)
diff --git a/library/python/testing/yatest_common/yatest/common/network.py b/library/python/testing/yatest_common/yatest/common/network.py
index 37bcb1b8e0..3ef1e68915 100644
--- a/library/python/testing/yatest_common/yatest/common/network.py
+++ b/library/python/testing/yatest_common/yatest/common/network.py
@@ -8,8 +8,8 @@ import logging
 import platform
 import threading
 
-import six
-
+import six 
+ 
 UI16MAXVAL = (1 << 16) - 1
 logger = logging.getLogger(__name__)
 
@@ -144,7 +144,7 @@ class PortManager(object):
             raise PortManagerException("All valid ports are taken ({}): {}".format(self._valid_range, self._filelocks))
 
         salt = random.randint(0, UI16MAXVAL)
-        for attempt in six.moves.range(self._valid_port_count):
+        for attempt in six.moves.range(self._valid_port_count): 
             probe_port = (salt + attempt) % self._valid_port_count
 
             for left, right in self._valid_range:
diff --git a/library/python/testing/yatest_common/yatest/common/process.py b/library/python/testing/yatest_common/yatest/common/process.py
index a8bcc21f51..d4084c5c64 100644
--- a/library/python/testing/yatest_common/yatest/common/process.py
+++ b/library/python/testing/yatest_common/yatest/common/process.py
@@ -11,8 +11,8 @@ import subprocess
 import errno
 import distutils.version
 
-import six
-
+import six 
+ 
 try:
     # yatest.common should try to be hermetic, otherwise, PYTEST_SCRIPT (aka USE_ARCADIA_PYTHON=no) won't work.
     import library.python.cores as cores
@@ -37,17 +37,17 @@ def truncate(s, size):
     elif len(s) <= size:
         return s
     else:
-        return (b'...' if isinstance(s, bytes) else '...') + s[-(size - 3):]
+        return (b'...' if isinstance(s, bytes) else '...') + s[-(size - 3):] 
 
 
 def get_command_name(command):
-    return os.path.basename(command.split()[0] if isinstance(command, six.string_types) else command[0])
+    return os.path.basename(command.split()[0] if isinstance(command, six.string_types) else command[0]) 
 
 
 class ExecutionError(Exception):
 
     def __init__(self, execution_result):
-        if not isinstance(execution_result.command, six.string_types):
+        if not isinstance(execution_result.command, six.string_types): 
             command = " ".join(str(arg) for arg in execution_result.command)
         else:
             command = execution_result.command
@@ -228,7 +228,7 @@ class _Execution(object):
         yatest_logger.debug("Command (pid %s) rc: %s", self._process.pid, self.exit_code)
         yatest_logger.debug("Command (pid %s) elapsed time (sec): %s", self._process.pid, self.elapsed)
         if self._metrics:
-            for key, value in six.iteritems(self._metrics):
+            for key, value in six.iteritems(self._metrics): 
                 yatest_logger.debug("Command (pid %s) %s: %s", self._process.pid, key, value)
 
         # Since this code is Python2/3 compatible, we don't know is _std_out/_std_err is real bytes or bytes-str.
@@ -270,7 +270,7 @@ class _Execution(object):
             if os.path.exists(runtime.gdb_path()):
                 self._backtrace = cores.get_gdb_full_backtrace(self.command[0], core_path, runtime.gdb_path())
                 bt_filename = path.get_unique_file_path(runtime.output_path(), "{}.{}.backtrace".format(os.path.basename(self.command[0]), self._process.pid))
-                with open(bt_filename, "wb") as afile:
+                with open(bt_filename, "wb") as afile: 
                     afile.write(six.ensure_binary(self._backtrace))
                 # generate pretty html version of backtrace aka Tri Korochki
                 pbt_filename = bt_filename + ".html"
@@ -473,7 +473,7 @@ def execute(
             # No stream is supplied: open new temp file
             return _get_command_output_file(command, default_name), False
 
-        if isinstance(stream, six.string_types):
+        if isinstance(stream, six.string_types): 
             # User filename is supplied: open file for writing
             return open(stream, 'wb+'), stream.startswith('/dev/')
 
@@ -586,7 +586,7 @@ def py_execute(
     :param process_progress_listener=object that is polled while execution is in progress
     :return _Execution: Execution object
     """
-    if isinstance(command, six.string_types):
+    if isinstance(command, six.string_types): 
         command = [command]
     command = [runtime.python_path()] + command
     if shell:
diff --git a/library/python/testing/yatest_common/yatest/common/runtime.py b/library/python/testing/yatest_common/yatest/common/runtime.py
index e55e193446..b96f17a53d 100644
--- a/library/python/testing/yatest_common/yatest/common/runtime.py
+++ b/library/python/testing/yatest_common/yatest/common/runtime.py
@@ -4,9 +4,9 @@ import json
 import os
 import threading
 
-import six
-
+import six 
 
+ 
 _lock = threading.Lock()
 
 
@@ -34,7 +34,7 @@ def _get_ya_plugin_instance():
 def _norm_path(path):
     if path is None:
         return None
-    assert isinstance(path, six.string_types)
+    assert isinstance(path, six.string_types) 
     if "\\" in path:
         raise AssertionError("path {} contains Windows seprators \\ - replace them with '/'".format(path))
     return os.path.normpath(path)
diff --git a/library/python/ya.make b/library/python/ya.make
index 2e1eb6e0e1..4314262ef2 100644
--- a/library/python/ya.make
+++ b/library/python/ya.make
@@ -161,7 +161,7 @@ RECURSE(
     runtime/test
     runtime_py3
     runtime_py3/main
-    runtime_py3/test
+    runtime_py3/test 
     runtime_test
     sanitizers
     sdms_api