This custom component repository is unrelated to the Home Assistant Core repository.
Most of the times it is some commits ahead of the core repository.
Make sure your system has an up to date python version (ideally the same as required here).
sudo apt-get update
sudo apt-get install python3-pip python3-dev python3-venv
In the root directory of this repository create a venv initially:
python3 -m venv venv
Change to the venv:
source venv/bin/activate
python3 -m pip install -r requirements_dev.txt
python3 -m pip install -r requirements_test.txt
Just run pytest
To create a PR to this repository please install this commit hook:
python3 -m pip install pre-commit
pre-commit install
Make sure to setup the development environment like as described here.
Create a patch from a given commit e.g. with git format-patch HEAD~1 and apply it on the HA Core repo with this command:
git am -p2 --directory=homeassistant/components path_to_ha_vicare/custom_components/vicare/0001-some.patch