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

[Mac Ryan]

Mac Ryan added the comment:

I'm a bit lost in the interface of this bugtracker, so I apologise if I am writing in the wrong spot, anyhow...

I just wanted to signal that this bug breaks the inter-operability between mock (external library) and unittest.mock, breaking tests that have been originally written for Python2.

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nosy: +quasipedia

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21750>
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