Passing MagicMock to np.dtype causes a segmentation fault #12982
Description
Passing MagicMock to np.dtype causes a segmentation fault. Original issue raised in Pandas
Reproducing code example:
from unittest.mock import MagicMock
import numpy as np
np.dtype(MagicMock())Error message:
$ gdb --args python runtests.py -g --python mytest.py
Starting program: /home/vagrant/numpy/venv3/bin/python runtests.py -g --python mytest.py
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Building, see build.log...
Build OK
Enabling display of all warnings
Program received signal SIGSEGV, Segmentation fault.
0x000000000059f332 in ?? ()
Numpy/Python version information:
1.16.1 3.5.2 (default, Nov 12 2018, 13:43:14)
[GCC 5.4.0 20160609]
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