[issue20037] Calling traceback.format_exception() during Pyhon shutdown does crash Python

[STINNER Victor]

STINNER Victor added the comment:

Begin of the C traceback:

#0  0x00000000004bf70a in PyModule_GetState (m=0x0) at Objects/moduleobject.c:292
#1  0x00000000006373b6 in textiowrapper_init (self=0x7ffff1073790, args=(<_io.BufferedReader at remote 0x7fffefa094b8>, 'utf-8'), 
    kwds={'line_buffering': True}) at ./Modules/_io/textio.c:855
#2  0x00000000004daf26 in type_call (type=0x94d700 <PyTextIOWrapper_Type>, args=(<_io.BufferedReader at remote 0x7fffefa094b8>, 'utf-8'), 
    kwds={'line_buffering': True}) at Objects/typeobject.c:759

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20037>
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