Fix minor pep8 issues

pep8 now wants this without ().  The dependent change should fix the
gerritlib-jeepyb-integration which is also currently broken.

Depends-On: https://review.opendev.org/c/opendev/gerritlib/+/866241
Change-Id: Iad46d49f9e825b2d95f7318748b84aed90f60556
1 file changed