[New-bugs-announce] [issue25365] test_pickle fails with --without-threads

[Arfrever Frehtes Taifersar Arahesis]

New submission from Arfrever Frehtes Taifersar Arahesis:

test.test_pickle.CompatPickleTests.test_exceptions() test introduced in revision 8d86dfe53b97 (in Python >=3.4) fails with --without-threads, because it unconditionally imports multiprocessing module, which is known to not work with --without-threads.
The last part of this test should probably be skipped when import of multiprocessing fails.

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ERROR: test_exceptions (test.test_pickle.CompatPickleTests)
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Traceback (most recent call last):
  File "/tmp/cpython/Lib/test/test_pickle.py", line 383, in test_exceptions
    import multiprocessing.context
  File "/tmp/cpython/Lib/multiprocessing/__init__.py", line 16, in <module>
    from . import context
  File "/tmp/cpython/Lib/multiprocessing/context.py", line 3, in <module>
    import threading
  File "/tmp/cpython/Lib/threading.py", line 4, in <module>
    import _thread
ImportError: No module named '_thread'

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----------
components: Tests
messages: 252722
nosy: Arfrever, alexandre.vassalotti, pitrou, serhiy.storchaka
priority: normal
severity: normal
status: open
title: test_pickle fails with --without-threads
versions: Python 3.4, Python 3.5, Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25365>
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