installing python modules on Linux and Windows

For trying out LLM-generated python scripts for "warping", (still works in progress)

https://github.com/hn-88/python-ffmpeg-warp

https://github.com/hn-88/realtime_video_warper

https://github.com/hn-88/realtime_warp_c

On Windows, various python modules can be installed with 

pip install modulename

where we sometimes have to do an internet search to find the exact modulename. 

Eg. How to Fix "ModuleNotFoundError: No Module Named 'PIL'" in Python

pip install pillow

On my Linux Mint machine, where I've installed python using the default deb package with apt, 

ModuleNotFoundError: No module named 'imageio'

and when trying to install with pip,

× This environment is externally managed

╰─> To install Python packages system-wide, try apt install

    python3-xyz, where xyz is the package you are trying to

    install.

sudo apt install python3-imageio # this worked.