def __enter__(self):

        self.manager.enter(self)
User AppCommands can execute when some of the provided app names are invalid
dataset/ETHPy150Open Julian/Ivoire/ivoire/manager.py/Context.__enter__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/admin_scripts/tests.py/CommandTypes.test_app_command_some_invalid_appnames