[New-bugs-announce] [issue30813] test_unittest fails when hunting reference leaks

[STINNER Victor]

New submission from STINNER Victor:

Example of Python 3.5 (same error on master):

haypo at selma$ ./python -m test -R 3:3 -v test_unittest 
(...)
======================================================================
ERROR: test_discover_with_init_module_that_raises_SkipTest_on_import (unittest.test.test_discovery.TestDiscovery)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/haypo/prog/python/3.5/Lib/unittest/test/test_discovery.py", line 572, in test_discover_with_init_module_that_raises_SkipTest_on_import
    pickle.loads(pickle.dumps(suite, proto))
_pickle.PicklingError: Can't pickle <class 'unittest.loader.ModuleSkipped'>: attribute lookup ModuleSkipped on unittest.loader failed

======================================================================
ERROR: test_discover_with_module_that_raises_SkipTest_on_import (unittest.test.test_discovery.TestDiscovery)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/haypo/prog/python/3.5/Lib/unittest/test/test_discovery.py", line 548, in test_discover_with_module_that_raises_SkipTest_on_import
    pickle.loads(pickle.dumps(suite, proto))
_pickle.PicklingError: Can't pickle <class 'unittest.loader.ModuleSkipped'>: attribute lookup ModuleSkipped on unittest.loader failed

----------
messages: 297370
nosy: haypo
priority: normal
severity: normal
status: open
title: test_unittest fails when hunting reference leaks
versions: Python 3.5, Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30813>
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