[build/scripts/cat.py] Fixed py23 compat

Фикс для https://a.yandex-team.ru/review/5393734/details#comment--6406734
dec6fcab69f58174dec7b4bf87942e894196f77e

1 files changed, 5 insertions, 1 deletions

diff --git a/build/scripts/cat.py b/build/scripts/cat.py
index 0c3f73d96f..875050cac6 100755
--- a/build/scripts/cat.py
+++ b/build/scripts/cat.py
@@ -3,13 +3,17 @@ import sys
 from shutil import copyfileobj as copy
 import os.path
 
+
+PY3 = sys.version_info[0] == 3
+
+
 if __name__ == '__main__':
     for filename in sys.argv[1:] or ["-"]:
         if filename == "-":
             copy(sys.stdin, sys.stdout)
         else:
             if os.path.exists(filename):
-                with open(filename, 'rb') as file:
+                with open(filename, 'r' if PY3 else 'rb') as file:
                     copy(file, sys.stdout)
             else:
                 sys.stderr.write('cat.py: {0}: No such file or directory\n'.format(filename))