Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 15 Aug 2017 16:48:49 +0300] rev 1742
clean-up: fix PEP8 E225 missing whitespace around operator
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