Fix for pep8
Fix for pep8

whtsky/WeRoBot,Zhenghaotao/WeRoBot,kmalloc/WeRoBot,weberwang/WeRoBot,whtsky/WeRoBot,one-leaf/WeRoBot,notwin/WeRoBot,whtsky/WeRoBot,adam139/WeRobot,adam139/WeRobot,adrianzhang/WeRoBot,tdautc19841202/WeRoBot,chenjiancan/WeRoBot,FlyRabbit/WeRoBot,Infixz/WeRoBot,Zeacone/WeRoBot,FlyRabbit/WeRoBot,weberwang/WeRoBot