[issue30542] test_files() of test_tools.test_unparse.DirectoryTestCase leaks references

[STINNER Victor]

STINNER Victor added the comment:

Example of 3 runs:

test_tools leaked [10, 15, 0] references, sum=25
test_tools leaked [2, 13, 0] references, sum=15
test_tools leaked [180, 0, 0] references, sum=180

The bpo-30776 should fix this issue by ignoring the result, since it's a false positive in pratice.

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<http://bugs.python.org/issue30542>
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