numpy 1.19.3 installs fine.
numpy 1.19.4 appears to install but does not work.
(Details below. The supplied tinyurl appears relevant.)
Alan Isaac
PS test> python38 -m pip install -U numpy
Collecting numpy
Using cached numpy-1.19.4-cp38-cp38-win_amd64.whl (13.0 MB)
Installing collected packages: numpy
Successfully installed numpy-1.19.4
PS test> python38
Python 3.8.2 (tags/v3.8.2:7b3ab59, Feb 25 2020, 23:03:10) [MSC v.1916 64 bit
(AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
** On entry to DGEBAL parameter number 3 had an illegal value
** On entry to DGEHRD parameter number 2 had an illegal value
** On entry to DORGHR DORGQR parameter number 2 had an illegal value
** On entry to DHSEQR parameter number 4 had an illegal value
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Program Files\Python38\lib\site-packages\numpy\__init__.py", line 305, in
<module>
_win_os_check()
File "C:\Program Files\Python38\lib\site-packages\numpy\__init__.py", line
302, in _win_os_check
raise RuntimeError(msg.format(__file__)) from None
RuntimeError: The current Numpy installation ('C:\\Program Files\\Python38\\lib\\site-packages\\numpy\\__init__.py') fails to pass a sanity check due to a bug
in the windows runtime. See this issue for more information: https://tinyurl.com/y3dm3h86
>>>
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