[issue21750] mock_open data is visible only once for the life of the class

[Paul Koning]

Paul Koning added the comment:

I suppose.  And it certainly is much better than the original behavior.  But if this is the approach chosen, it should be clearly called out  in the documentation, because the current wording suggests the 1.1.4 behavior, not the one you recommended.

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<http://bugs.python.org/issue21750>
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