PEP8: cleanup
My simple pep8 cleaner
PEP8: W293 blank line contains whitespace
PEP8: W602 deprecated form of raising exception
PEP8:  E301 expected 1 blank line, found 0

Improve readability
Add help text
PEP8: E225 missing whitespace around operator
PEP8: E227 missing whitespace around bitwise or shift operator
PEP8: E231 missing whitespace after ','
PEP8: E271 multiple spaces after keyword
PEP8: cleanup
Bump up depcheck for tookit version