Python/Numpy之安装指定的版本方式_Python

python/numpy之安装指定的版本

安装方式

pip install numpy==版本号

例如：

pip install numpy==1.8

问题出现的原因

一次安装matplotlib时，自动安装的1.9版本的numpy，运行时总是报错，报错信息在下方，查询后有说是numpy版本和python版本的问题，卸载重新安装后问题得到解决。

(pyqt5s) f:\>python pyqtmat.py
** 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 "pyqtmat.py", line 2, in <module>
import matplotlib
file "f:\anaconda\anaconda3\envs\pyqt5s\lib\site-packages\matplotlib\__init__.py", line 107, in <m
odule>
from . import cbook, rcsetup
file "f:\anaconda\anaconda3\envs\pyqt5s\lib\site-packages\matplotlib\cbook\__init__.py", line 28,
in <module>
import numpy as np
file "f:\anaconda\anaconda3\envs\pyqt5s\lib\site-packages\numpy\__init__.py", line 305, in <module
>
_win_os_check()
file "f:\anaconda\anaconda3\envs\pyqt5s\lib\site-packages\numpy\__init__.py", line 302, in _win_os
_check
raise runtimeerror(msg.format(__file__)) from none
runtimeerror: the current numpy installation ('f:\\anaconda\\anaconda3\\envs\\pyqt5s\\lib\\site-pack
ages\\numpy\\__init__.py') fails to pass a sanity check due to a bug in the windows runtime. see thi
s issue for more information: https://tin yurl.com/y3dm3h86