[issue12579] str.format_map raises a SystemError for non-mapping

[Eric V. Smith]

Eric V. Smith <eric at trueblade.com> added the comment:

If you want to look at this, I think there's a missing check for args being non-null in string_format.h, line 515.

I'd have to think to see if there are other possible failure scenarios.

Thanks for the report.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12579>
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