Mplcursors setup.py makes a request without using proxy parameter, which hangs install. Fails: python -m pip install mplcursors -v --proxy=proxyaddress.fr:3131 Successful workaround: python -m pip ...

Traceback (most recent call last): File "C:\Users\ekarni\AppData\Local\Programs\Python\Python39\lib\site-packages\matplotlib\cbook\__init__.py", line 287, in process ...