edx/diff-cover — pull request #116 by benpatterson (2014-09-28 13:16:37+00:00)
Title: Diff-quality should not fail on pylint warnings.

@Bachmann1234

After working around #115, we later encountered a deprecation warning because we had an old setting in pylintrc. (See https://github.com/edx/edx-analytics-data-api/pull/32). This is because pylint pipes warnings through stderr (which is no shock of course). This was causing diff-quality to fail.

This change will only fail diff-quality if pylint pipes errors AND ends with an exit code of 1. I've added and updates tests to reflect this.