[issue16694] Add pure Python operator module

[Antoine Pitrou]

Antoine Pitrou added the comment:

Thank you!
One optional thing, the code churn could be minimized in test_operator.py by writing "operator = self.module" at the beginning of each test method.
Otherwise, looks good to me.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16694>
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