PEP8 fixes tests/dey_test.py
PEP8 fixes tests/dey_test.py

fufufanatic/pyNES,GrimDerp/pyNES,bradparks/pyNES__python_8bit_nes_games_nintendo,Gybes/pyNES,tekromancr/pyNES,sperez4mba/pyNES,jmgaya/pyNES,jay-johnson/pyNES,silky/pyNES,bigpete/pyNES,AsSheng/pyNES,imanmafi/pyNES,Militree/pyNES,DaTrollMon/pyNES,MSylvia/pyNES,JohnKossa/pyNES,NickDeckerDevs/pyNES,arabenjamin/pyNES,kod3r/pyNES,BmanisKing/Mine,stellatigre/pyNES,shaunstanislaus/pyNES,danielserva/pyNES,kubov/pyNES,edwardpark/pyNES,ftick/pyNES,shekkbuilder/pyNES,gutomaia/pyNES