[issue26538] regrtest: setup_tests() must not replace module.__path__ (_NamespacePath) with a simple list // importlib & abspath

[STINNER Victor]

STINNER Victor added the comment:

I pushed my minimum fix. I now understand that it is not needed to change importlib, it's ok to keep "abspath" code in site & libregrtest.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26538>
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