[flake8] Fix E713 test for membership should be 'not in'
[flake8] Fix E126 continuation line over-indented for hanging indent
[flake8] Fix E131 continuation line unaligned for hanging indent
[flake8] Fix E122 continuation line missing indentation or outdented
[flake8] Fix E125 continuation line with same indent as next logical line
[flake8] Fix E271 multiple spaces after keyword
[flake8] Fix E128 continuation line under-indented for visual indent
[flake8] Fix E128 continuation line under-indented for visual indent
[flake8] Fix E131 continuation line unaligned for hanging indent