[issue18270] AttributeError: 'NoneType' object has no attribute 'interp'

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka at gmail.com>:


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nosy: +kbk, roger.serwy, terry.reedy

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18270>
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