[issue37147] f-string debugging f"{x=[}" adds [filename:lineno] as prefix

[Aldwin Pollefeyt]

Change by Aldwin Pollefeyt <aldwinaldwin at gmail.com>:


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keywords: +patch
pull_requests: +13684
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/13799

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<https://bugs.python.org/issue37147>
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