Since you are running pip with elevated privileges (sudo pip) for installing scikit-learn, but checking for numpy without sudo, I think numpy may not have been installed for root? (just a wild guess) ...

I'm trying to set everything up on a fresh 32bit rasbpian lite image (raspberry pi3b). After sudo apt install && sudo apt upgrade and cloning the repo, I'm trying to run the ./install.sh script but ...

pip uninstall numpy python -m pip install --upgrade pip pip install numpy Using the above commands in the given sequence, you will be able to install the latest version of NumPy.

It is possible to install Python and NumPy separately; however, if you're new to Python and NumPy, I recommend installing the Anaconda distribution of Python, which simplifies installation and gives ...