168             except Exception as exc:
169                 raise RuntimeError('issue29692:Chained') from exc
383     exc = None  variable in mycontext
390     def __exit__(self, *exc):  argument
391         self.exc = exc
410         self.assertEqual(context.exc, (None, None, None))
419         self.assertIsNotNone(context.exc)
420         self.assertIs(context.exc[0], NameError)
426         self.assertIsNotNone(context.exc)
427         self.assertIs(context.exc[0], NameError)
435             self.assertIsNone(context.exc)
438         self.assertEqual(context.exc, (None, None, None))
446             self.assertIsNone(context.exc)
452         self.assertIsNotNone(context.exc)
453         self.assertIs(context.exc[0], NameError)
490             def __exit__(self, *exc):  argument
502             def __uxit__(self, *exc):  argument
513             exc = None  variable in TestContextDecorator.test_contextdecorator_as_mixin.somecontext
519             def __exit__(self, *exc):  argument
520                 self.exc = exc
528             self.assertIsNone(context.exc)
531         self.assertEqual(context.exc, (None, None, None))
612         def _expect_exc(exc_type, exc, exc_tb):  argument
616         def _expect_ok(exc_type, exc, exc_tb):  argument
618             self.assertIsNone(exc)
690                 stack.push(lambda *exc: False)
695             stack.push(lambda *exc: True)
702             def __init__(self, exc):  argument
703                 self.exc = exc
707                 raise self.exc
734         except IndexError as exc:
735             self.assertIsInstance(exc.__context__, KeyError)
736             self.assertIsInstance(exc.__context__.__context__, AttributeError)
738             self.assertIsNone(exc.__context__.__context__.__context__)
748         def raise_exc(exc):  argument
749             raise exc
765         except IndexError as exc:
766             self.assertIsInstance(exc.__context__, KeyError)
767             self.assertIsInstance(exc.__context__.__context__, AttributeError)
769             self.assertIsNone(exc.__context__.__context__.__context__)
779         def raise_exc(exc):  argument
780             raise exc
789         except Exception as exc:
790             self.assertIsInstance(exc, IndexError)
799         except Exception as exc:
800             self.assertIsInstance(exc, KeyError)
807         def gets_the_context_right(exc):  argument
811                 raise exc
827         except Exception as exc:
828             self.assertIs(exc, exc4)
829             self.assertIs(exc.__context__, exc3)
830             self.assertIs(exc.__context__.__context__, exc2)
831             self.assertIs(exc.__context__.__context__.__context__, exc1)
833                        exc.__context__.__context__.__context__.__context__)
853         except Exception as exc:
854             self.assertIs(exc, exc5)
855             self.assertIs(exc.__context__, exc4)
856             self.assertIs(exc.__context__.__context__, exc3)
857             self.assertIs(exc.__context__.__context__.__context__, exc2)
859                  exc.__context__.__context__.__context__.__context__, exc1)
861                 exc.__context__.__context__.__context__.__context__.__context__)
870         except IndexError as exc:
875             stack.push(lambda *exc: True)
876             stack.push(lambda *exc: 1/0)
877             stack.push(lambda *exc: {}[1])
903             except Exception as exc:
904                 raise UniqueException("new exception") from exc
910             except Exception as exc:
911                 raise exc
921         exc = err_ctx.exception
922         self.assertIsInstance(exc, UniqueException)
923         self.assertIsInstance(exc.__context__, UniqueRuntimeError)
924         self.assertIsNone(exc.__context__.__context__)
925         self.assertIsNone(exc.__context__.__cause__)
926         self.assertIs(exc.__cause__, exc.__context__)