Fix pep8 test

For hacking 0.9 "ignore" and "select" options are mutually exclusive,
therefore pep8 test always passed. This patch fix this bug and also
fix long line in keystone module.

Closes-Bug: #1379470
Change-Id: Ie8681caa9891bc4f4e257a8e56dc4a30c6f26723
Merge "Fix pep8 test"