[issue6647] warnings.catch_warnings is not thread-safe

[A.M. Kuchling]

A.M. Kuchling <lists at amk.ca> added the comment:

Added a warning to 2.x trunk in r79607, and Gabriel's doc change in r79608.  This thread-unsafety seems specialized and rarely of great importance, so I used the note:: directive, not warning::.

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nosy: +akuchling
resolution:  -> fixed
status: open -> closed

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<http://bugs.python.org/issue6647>
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