[issue3729] SystemError on calling len() if __len__() doesn't return an int

[Hagen Fürstenau]

Changes by Hagen Fürstenau <hfuerstenau at gmx.net>:


Removed file: http://bugs.python.org/file11307/len_check.diff

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue3729>
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