[issue33817] PyString_FromFormatV() fails to build empty strings

[Tey]

Tey <teyut at free.fr> added the comment:

For the record, it does not fail on 3.x because _PyBytes_Resize() checks if the "string" needs to be resized (and returns if not) before checking its ref count. Maybe something similar should be done in _PyString_Resize() for 2.x.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33817>
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