'function' object has no attribute 'im_func' with twisted TestCases on python 3

[pytestbot]

Originally reported by: Aaron Gallagher (BitBucket: habnabit, GitHub: habnabit)

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The full traceback is:

INTERNALERROR> Traceback (most recent call last):
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/main.py", line 81, in wrap_session
INTERNALERROR>     doit(config, session)
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/main.py", line 118, in _main
INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/core.py", line 377, in __call__
INTERNALERROR>     return self._docall(methods, kwargs)
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/core.py", line 388, in _docall
INTERNALERROR>     res = mc.execute()
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/core.py", line 289, in execute
INTERNALERROR>     res = method(**kwargs)
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/main.py", line 138, in pytest_runtestloop
INTERNALERROR>     item.config.hook.pytest_runtest_protocol(item=item, nextitem=nextitem)
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/core.py", line 377, in __call__
INTERNALERROR>     return self._docall(methods, kwargs)
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/core.py", line 388, in _docall
INTERNALERROR>     res = mc.execute()
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/core.py", line 289, in execute
INTERNALERROR>     res = method(**kwargs)
INTERNALERROR>   File "/Users/aarongallagher/src/git/parsley/ve3/lib/python3.3/site-packages/_pytest/unittest.py", line 157, in pytest_runtest_protocol
INTERNALERROR>     Failure__init__ = ut.Failure.__init__.im_func
INTERNALERROR> AttributeError: 'function' object has no attribute 'im_func'

If I amend the line to omit the .im_func, the tests run without issue.

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• Bitbucket: https://bitbucket.org/pytest-dev/pytest/issue/483

[pytestbot]

Original comment by Ronny Pfannschmidt (BitBucket: RonnyPfannschmidt, GitHub: RonnyPfannschmidt):

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looks like a missed operation on the python3 port

[pytestbot]

Original comment by Daniel Graña (BitBucket: dangra, GitHub: dangra):

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see pull request #132 for a possible fix

[pytestbot]

Original comment by holger krekel (BitBucket: hpk42, GitHub: hpk42):

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fix issue483: trial/py33 works now properly. Thanks Daniel Grana for PR.