reduce new pylint complaints
reduce new pylint complaints

Mostly indentation complaints, plus an unused test parameter, fixed.
Leaves one new pylint complaint, which is about a test function naming
issue which affects every test.

RonnyPfannschmidt/pip,techtonik/pip,RonnyPfannschmidt/pip,zvezdan/pip,zvezdan/pip,pradyunsg/pip,pradyunsg/pip,techtonik/pip,rouge8/pip,xavfernandez/pip,rouge8/pip,rouge8/pip,xavfernandez/pip,sbidoul/pip,pfmoore/pip,sbidoul/pip,pfmoore/pip,zvezdan/pip,techtonik/pip,xavfernandez/pip,pypa/pip,RonnyPfannschmidt/pip,pypa/pip