mirror of https://github.com/python/cpython
Fix possible failure in pickling tests due to different instantiations
of the random module being around.
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@ -27,6 +27,16 @@ def task(N, done, done_tasks, errors):
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class ThreadedImportTests(unittest.TestCase):
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class ThreadedImportTests(unittest.TestCase):
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def setUp(self):
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self.old_random = sys.modules.pop('random', None)
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def tearDown(self):
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# If the `random` module was already initialized, we restore the
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# old module at the end so that pickling tests don't fail.
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# See http://bugs.python.org/issue3657#msg110461
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if self.old_random is not None:
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sys.modules['random'] = self.old_random
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def test_parallel_module_init(self):
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def test_parallel_module_init(self):
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if imp.lock_held():
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if imp.lock_held():
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# This triggers on, e.g., from test import autotest.
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# This triggers on, e.g., from test import autotest.
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