def get_user_details(self, response):
        return {'username': response.get('taobao_user_nick')}
Sets a callback to invoke on cancel.
dataset/ETHPy150Open omab/python-social-auth/social/backends/taobao.py/TAOBAOAuth.get_user_details--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/net/proto2/python/public/service.py/RpcController.NotifyOnCancel