[issue20599] test_cleanup() of test_builtin failed

[Roundup Robot]

Roundup Robot added the comment:

New changeset 488ccbee6ee6 by Victor Stinner in branch 'default':
Issue #20599: Don't clear environment in test_cleanup() of test_builtin
http://hg.python.org/cpython/rev/488ccbee6ee6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20599>
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