2017-09-22remove reimported modules
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 22 Sep 2017 18:06:15 +0300] rev 1829
remove reimported modules

2017-09-22fix unnecessary parens after keyword
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 22 Sep 2017 16:37:38 +0300] rev 1828
fix unnecessary parens after keyword

2017-09-22enable pylint checker
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 22 Sep 2017 10:57:57 +0300] rev 1827
enable pylint checker

so far only print statement is checked