[issue44694] Message from BytesParser cannot be flattened immediately

[R. David Murray]

R. David Murray <rdmurray at bitdance.com> added the comment:

I suspect maxheaderlen=0 works because it causes the original lines to be re-emitted without any folding or other processing.  Without that, lines longer than the default max_line_length get refolded.

Can you provide an example of an input message that triggers this problem?

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44694>
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