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AttributeError: 'Module' object has no attribute '_obj' #1944

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AttributeError: 'Module' object has no attribute '_obj'#1944

Description

@axil
axil
opened on Sep 18, 2016

pytest generates an exception which is hard to understand:

% uname -a
Linux 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt4-3 (2015-02-03) x86_64 GNU/Linux

% cat test.py
def f():
    return

assert f() == 10

% pytest test.py
platform linux -- Python 3.4.2, pytest-3.0.2, py-1.4.31, pluggy-0.3.1
___________________________ ERROR collecting test.py _____________________________
env/lib/python3.4/site-packages/_pytest/python.py:209: in fget
    return self._obj
E   AttributeError: 'Module' object has no attribute '_obj'

Seems to be the same issue as mentioned here:
pytest-dev/pytest-django#386

Activity

  1. axil commented on Sep 18, 2016

    @axil
    axil
    on Sep 18, 2016
    Author

    The same works with Python 2.7.9 (no AttributeError)

  2. The-Compiler commented on Sep 18, 2016

    @The-Compiler
    The-Compiler
    on Sep 18, 2016
    Member

    This is the full output:

    _______________________ ERROR collecting test.py _______________________
/usr/lib/python3.5/site-packages/_pytest/python.py:209: in fget
    return self._obj
E   AttributeError: 'Module' object has no attribute '_obj'

During handling of the above exception, another exception occurred:
test.py:4: in <module>
    assert f() == 10
E   assert None == 10
E    +  where None = <function f at 0x7fada7dd11e0>()
!!!!!!!!!!!!!!! Interrupted: 1 errors during collection !!!!!!!!!!!!!!!!

    the upper part is probably caused by Python 3's chained exception support and #1486.

  3. axil
    added a commit that references this issue on Sep 18, 2016

    AttributeError chaining bug pytest-dev#1944 fix

    cfc955c

  4. axil commented on Sep 18, 2016

    @axil
    axil
    on Sep 18, 2016
    Author

    Not something really universal, but this patch fixes the issue.

  5. axil
    added a commit that references this issue on Sep 19, 2016

    AttributeError chaining bug pytest-dev#1944 fix

    65be123
  6. The-Compiler
    added a commit that references this issue on Sep 20, 2016

    Merge pull request #1945 from axil/master

    7660a19

  7. nicoddemus commented on Sep 26, 2016

    @nicoddemus
    nicoddemus
    on Sep 26, 2016
    Member

    Resolved in master

  8. nicoddemus
    closed this as completedon Sep 26, 2016
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