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