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 ','
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 15 Aug 2017 12:17:51 +0300] rev 1739
clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','