Pep8 fixes and remove redundant dict copy.
Pep8 fixes and remove redundant dict copy.

dsanders11/cartridge,jaywink/cartridge-reservable,stephenmcd/cartridge,wyzex/cartridge,stephenmcd/cartridge,Kniyl/cartridge,jaywink/cartridge-reservable,jaywink/cartridge-reservable,dsanders11/cartridge,viaregio/cartridge,syaiful6/cartridge,syaiful6/cartridge,wbtuomela/cartridge,traxxas/cartridge,traxxas/cartridge,syaiful6/cartridge,Parisson/cartridge,wbtuomela/cartridge,Parisson/cartridge,ryneeverett/cartridge,Kniyl/cartridge,Kniyl/cartridge,wbtuomela/cartridge,Parisson/cartridge,dsanders11/cartridge,ryneeverett/cartridge,wyzex/cartridge,viaregio/cartridge,stephenmcd/cartridge,ryneeverett/cartridge,traxxas/cartridge,wyzex/cartridge