Log Message:
py-flake8: update to 3.5.0

3.5.0:

New Dependency Information
* Allow for PyFlakes 1.6.0
* Start using new PyCodestyle checks for bare excepts and ambiguous identifier

Features
* Print out information about configuring VCS hooks
* Allow users to develop plugins “local” to a repository without using \ 
setuptools. See our documentation on local plugins for more information.

Bugs Fixed
* Catch and helpfully report UnicodeDecodeErrors when parsing configuration files.