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.
@@ -515,7 +515,7 @@ def test_install_unsupported_wheel_file(script, data):
assert len(result.files_created) == 0
-def test_install_options_local_to_package(script, data, virtualenv):
+def test_install_options_local_to_package(script, data):
"""Make sure --install-options does not leak across packages.
A requirements.txt file can have per-package --install-options; these
