fixes PEP8 errors and removes redundant line in test_player.py
fixes PEP8 errors and removes redundant line in test_player.py

emmagordon/Axelrod,mojones/Axelrod,kathryncrouch/Axelrod,risicle/Axelrod,kathryncrouch/Axelrod,uglyfruitcake/Axelrod,bootandy/Axelrod,bootandy/Axelrod,risicle/Axelrod,emmagordon/Axelrod,mojones/Axelrod,uglyfruitcake/Axelrod