multi version python
step1 : check version is correct and create venv
python --version
sudo apt-get install python3.7-dev python3.7-venv #you need install dev and venv
python3.7 -m venv myVenv #create venv
source myVenv/bin/activate #run venv
step2: path into project dir and install environment
ls
cd devsk2racing_map/
ls
cd sk2RacingMapProject/
python manage.py runserver