[issue40723] IDLE: make autocomplete test run without __main__.__file__

[Florian Dahlitz]

Change by Florian Dahlitz <f.dahlitz at outlook.de>:


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keywords: +patch
pull_requests: +19580
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/20311

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40723>
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