def __initialize_manager(self):
		self.__config_mgr	= self.__manager.load_config_manager()

		self.__backend_mgr   = self.__manager.load_backend_manager()
		self.__bootstrap_mgr = self.__manager.load_bootstrap_manager()
		self.__navigator_mgr = self.__manager.load_navigator_manager()
		self.__context_mgr  = self.__manager.load_context_manager()
		self.__action_mgr	= self.__manager.load_action_manager()
		self.__launcher_mgr  = self.__manager.load_launcher_manager()
def test_impl_2(n):
            df = pd.DataFrame({'A': np.arange(n) + 1.0, 'B': np.random.ranf(n)})
            Ac = df.A.rolling(7).sum()
            return Ac.sum()