[issue44446] linecache.getline TypeError when formatting tracebacks in stacks containing an async list comprehension

[Filipe Laíns]

Filipe Laíns <lains at riseup.net> added the comment:

I bissected this to 088a15c49d99ecb4c3bef93f8f40dd513c6cae3b and submitted a patch making traceback.FrameSummary take into consideration that lineno might be None, I believe this is probably the correct fix.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44446>
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