35             def __enter__(self):  member in TestAbstractContextManager.test_structural_subclassing.ManagerFromScratch
49             __enter__ = None  variable in TestAbstractContextManager.test_structural_subclassing.NoEnter
444     def __enter__(self):  member in mycontext
558             def __enter__(self):  member in TestContextDecorator.test_typo_exit.mycontext
573             def __enter__(self):  member in TestContextDecorator.test_contextdecorator_as_mixin.somecontext
681             def __enter__(self):  member in TestBaseExitStack.test_push.ExitCM
704             def __enter__(self):  member in TestBaseExitStack.test_enter_context.TestCM
728             def __enter__(self):  member in TestBaseExitStack.test_enter_context_errors.LacksExit
813             def __enter__(self):  member in TestBaseExitStack.test_exit_exception_chaining_reference.RaiseExc
822             def __enter__(self):  member in TestBaseExitStack.test_exit_exception_chaining_reference.RaiseExcWithContext
831             def __enter__(self):  member in TestBaseExitStack.test_exit_exception_chaining_reference.SuppressExc