pip/python: normal site-packages is not writeable

I have a new Macbook – a user installed it, and then I installed a new user (mine), granted admin privileges and deleted the old one. I am on OS Catalina.

Since the installation I’ve been having several permission problems. VSCode can’t find Jupyter Notebook, pip installs packages at ~/Library/Python/3.7/site-packages.

When I do which python3 I get usr/bin/python3. When I do pip3 install <package> I get: Defaulting to user installation because normal site-packages is not writeable And then it says it has already been installed, even though I can’t access it when I do import <package>.

It’s seems clear that this is a permission problem, pip can’t install to the “base” python, and them python can’t find what I’ve installed into ~/Library/Python/3.7/site-packages.

I’ve tried reinstalling the OS, but since I haven’t done a clean install, it didn’t change anything. What am I missing? How exactly can I fix permissions? Where do I want packages to be installed (venv sure, but some packages I want global (like jupyter).

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