Commit 448acd0a authored by Antoine Pitrou's avatar Antoine Pitrou

Fix possible failure in pickling tests due to different instantiations

of the random module being around.
parent 3b0a19ea
......@@ -27,6 +27,16 @@ def task(N, done, done_tasks, errors):
class ThreadedImportTests(unittest.TestCase):
def setUp(self):
self.old_random = sys.modules.pop('random', None)
def tearDown(self):
# If the `random` module was already initialized, we restore the
# old module at the end so that pickling tests don't fail.
# See http://bugs.python.org/issue3657#msg110461
if self.old_random is not None:
sys.modules['random'] = self.old_random
def test_parallel_module_init(self):
if imp.lock_held():
# This triggers on, e.g., from test import autotest.
......
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