[issue45764] Parse error improvement forgetting ( after def

[Carl Friedrich Bolz-Tereick]

Change by Carl Friedrich Bolz-Tereick <cfbolz at gmx.de>:


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keywords: +patch
pull_requests: +27735
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29484

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45764>
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