[issue4236] Crash when importing builtin module during interpreter shutdown

[Amaury Forgeot d'Arc]

New submission from Amaury Forgeot d'Arc <amauryfa at gmail.com>:

The following interactive session crashes the interpreter on shutdown:

>>> class C:
...   def __del__(self):
...      import warnings
...
>>> C()
<__main__.C object at 0x00C29D58>
>>> ^Z
Fatal Python error: Interpreter not initialized (version mismatch?)


This problem actually happens with the file object, which can call PyErr_WarnEx when it 
is deallocated and closed, see example in issue4226.
This "Fatal" message is new in 3.0. If I ignore it all seems correct, and the module is 
correctly imported.

----------
messages: 75344
nosy: amaury.forgeotdarc
priority: release blocker
severity: normal
status: open
title: Crash when importing builtin module during interpreter shutdown
versions: Python 3.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4236>
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