class context:
    def __enter__(self):
        return "SOMETHING YOU WILL NOT FORGET"

    def __exit__(*args):
        print("exit called")
        return True


def use_context_manager():
    with context() as c:
        return 2 + 2

#  ===  Result: ===

t = traceur.DummyTrace(use_context_manager)
t.call()
t.do_report()

 === Entering New Frame use_context_manager (11085720) ===
[]
       1  LOAD_GLOBAL          0          context
[<class '__main__.context'>]
       5  CALL_FUNCTION        0          0
[<__main__.context object at 0x7fd977b9e608>]
       9  SETUP_WITH           16         28
['SOMETHING YOU WILL NOT FORGET', <bound method context.__exit__ of <__main__.context object at 0x7fd977b9e608>>]
      13  STORE_FAST           0          c
[<bound method context.__exit__ of <__main__.context object at 0x7fd977b9e608>>]
      17  LOAD_CONST           2          4
[4, <bound method context.__exit__ of <__main__.context object at 0x7fd977b9e608>>]
      21  RETURN_VALUE         None       None
[8, 4, <bound method context.__exit__ of <__main__.context object at 0x7fd977b9e608>>]
      29  WITH_CLEANUP         None       None
[8, 4]
      31  END_FINALLY          None       None