first to start install migrations from requirements.txt
It also requires the command-line tool ffmpeg to be installed on your system, which is available from most package managers:
sudo apt update && sudo apt install ffmpeg
sudo pacman -S ffmpeg
on MacOS using Homebrew (https://brew.sh/)
brew install ffmpeg
on Windows using Chocolatey (https://chocolatey.org/)
choco install ffmpeg
on Windows using Scoop (https://scoop.sh/)
scoop install ffmpeg