[issue4948] Make heapq work with all mutable sequences

[Raymond Hettinger]

Raymond Hettinger <rhettinger at users.sourceforge.net> added the comment:

With no compelling use cases, it's not worth slowing down the module. 
Am sticking with the original design decision.

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resolution:  -> rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4948>
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