New submission from Antony Lee:
Running
```
from pathlib import Path
import numpy as np
np.arange(300000) / Path("foo")
```
raises
```
TypeError: argument should be a path or str object, not <class 'int'>
During handling of the above exception, another exception occurred:
SystemError: <built-in method __new__ of type object at 0x7fb4df227fc0>
returned a result with an error set
<elided: many repeats of the same>
During handling of the above exception, another exception occurred:
SystemError: <built-in method __new__ of type object at 0x7fb4df227fc0>
returned a result with an error set
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/tmp/foo.py", line 3, in <module>
np.arange(300000) / Path("foo")
File "/usr/lib/python3.5/pathlib.py", line 879, in __rtruediv__
return self._from_parts([key] + self._parts)
File "/usr/lib/python3.5/pathlib.py", line 637, in _from_parts
self = object.__new__(cls)
SystemError: <built-in method __new__ of type object at 0x7fb4df227fc0>
returned a result with an error set
```
Note that this does NOT appear for small arrays; I haven't determined the
threshold.
Crossposted as https://github.com/numpy/numpy/issues/7360.
----------
components: Interpreter Core
messages: 260967
nosy: Antony.Lee
priority: normal
severity: normal
status: open
title: SystemError on invalid numpy.ndarray / Path operation
versions: Python 3.5
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<http://bugs.python.org/issue26453>
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