[issue14417] dict RuntimeError workaround

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

IIRC, Jython uses concurrent mappings, so this isn't an issue for them.

CPython's dictresize() relies on the GIL to atomically resize the ma_table.  There are no pure python calls (the existing hash values are reused) and the ref counts are neutral.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14417>
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