Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 15 Aug 2017 16:01:18 +0300] rev 1741
clean-up: fix PEP8 E303 too many blank lines
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 15 Aug 2017 15:50:30 +0300] rev 1740
clean-up: fix PEP8 E231 missing whitespace after ':' or ','