[issue34427] calling MutableSequence.extend on self produces infinite loop

[Raymond Hettinger]

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

It would be reasonable to add special handling for this case to match what is done in the concrete sequences like list, deque, bytes, ...

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assignee:  -> rhettinger

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34427>
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