PEP8: Add a [pep8] section to tox.ini
PEP8: Fix W391 blank line at end of file
PEP8: Fix W293 blank line contains whitespace
PEP8: Fix W291 trailing whitespace
PEP8: Fix W191 indentation contains tabs
PEP8: Fix E111 indentation is not a multiple of four
PEP8: Fix E272 multiple spaces before keyword
PEP8: Fix E703 statement ends with a semicolon
PEP8: Fix E401 multiple imports on one line
PEP8: Fix E702 multiple statements on one line (semicolon)
PEP8: Fix E711 comparison to None should be 'if cond is None:'
PEP8: Fix E228 missing whitespace around modulo operator
PEP8: Fix E251 unexpected spaces around keyword / parameter equals
PEP8: Fix E211 whitespace before '('
PEP8: Fix E227 missing whitespace around bitwise or shift operator
PEP8: Fix E502 the backslash is redundant between brackets
PEP8: Fix E271 multiple spaces after keyword
PEP8: Fix E303 too many blank lines
PEP8: Fix E262 inline comment should start with '# '
PEP8: Fix E222 multiple spaces after operator