note: This error originates from a subprocess, and is likely not a problem with pip.
WARNING: No metadata found in d:\software\python\lib\site-packages
Rolling back uninstall of numpy
Moving to d:\software\python\lib\site-packages\numpy-1.21.2.dist-info
from D:\software\Python\Lib\site-packages~umpy-1.21.2.dist-info
Moving to d:\software\python\lib\site-packages\numpy
from D:\software\Python\Lib\site-packages~umpy
Moving to d:\software\python\scripts\f2py.exe
from C:\Users\hp\AppData\Local\Temp\pip-uninstall-epha_u2v\f2py.exe
error: legacy-install-failure
× Encountered error while trying to install package.
╰─> numpy
note: This is an issue with the package mentioned above, not pip.
hint: See above for output from the failure.
问题解决了吗？
可以去官网手动下载对应版本的mxnet的whl文件，
https://www.lfd.uci.edu/~gohlke/pythonlibs/#mxnet
然后，在cmd命令行中，进入刚刚下载的文件的路径，使用
pip install mxnet‑1.7.0+mkl‑cp36‑cp36m‑win_amd64.whl命令开始安装（后面是你对应下载版本的名称）
应该是先要你下载numpy