[issue26567] ResourceWarning: Use tracemalloc to display the traceback where an object was allocated when a ResourceWarning is emitted

[Roundup Robot]

Roundup Robot added the comment:

New changeset 543639cdfdb9 by Victor Stinner in branch 'default':
Try again to fix test_warnings on Windows
https://hg.python.org/cpython/rev/543639cdfdb9

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<http://bugs.python.org/issue26567>
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