Thu, 28 Sep 2017 12:20:40 +0300fix (old-style-class) Old-style class defined error for most parts of
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Thu, 28 Sep 2017 12:20:40 +0300] rev 1831
fix (old-style-class) Old-style class defined error for most parts of
the code

only PyJS code is left, because it does some fancy tricks and can't be
easily fixed. So far PyJS doesn't support Python3 anyway.