Dicide to use odoo 15. It need python v3.7 - ok install v3.7. Try to run but have error "ModuleNotFoundError: No module named 'babel'"
Then use
(venv) rmax@rmax-comp:~/odoo/odoo15$ pip install babel
Requirement already satisfied: babel in ./venv/lib/python3.7/site-packages (2.6.0)
Requirement already satisfied: pytz>=0a in ./venv/lib/python3.7/site-packages (from babel) (2019.3)
How to solve this?