sudo apt-get install python3-venv python3-pip
python3 setup.py install
Old way:
python3 -m venv .venv
source .venv/bin/activate
python3 -m pip install --no-deps --upgrade pip
python3 -m pip install -U setuptools
python3 -m pip install -U -r requirements-dev.txt
python3 -m venv --clear venv
python3 -m pip install -U -r requirements-dev.txt