Python dependencies in QGIS flatpak

Some QGIS plugins require Pythobn package dependencies that are not included in the Flathub image by default. The Contour Plugin needs numpy and matplotlib to be available.

pip inside Flatpak

The Flathub feedstock repo on Github demonstrates how to add these dependencies.

flatpak run --devel --command=pip3 org.qgis.qgis install numpy matplotlib --user