jupyter notebook (dyld: Library not loaded)

Question

Pardon me for my stupidity. I tried to run jupyter notebook on Mac terminal after:

• upgrading python from 3.6 to 3.9
• deleting files in /usr/local/Cellar/

then I got the following error

dyld: Library not loaded: /usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/Python Referenced from: /usr/local/opt/python3/bin/python3.6 Reason: imagenot found
Abort trap: 6

What I am trying to do is just to upgrade python and packages used by Jupyter Notebook. Could someone help advise what went wrong and how I can fix this?

Answer 1

Try

brew update
brew upgrade
brew cleanup
brew upgrade python3