Josh Rosenberg added the comment:

_check_int_field seems needlessly complex. When you want a value that is 
logically an integer (not merely capable of being coerced to an integer), you 
want object.__index__, per PEP 357, or to avoid explicit calls to special 
methods, use operator.index. Any reason to not just use operator.index directly?

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nosy: +ShadowRanger

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue20858>
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