# [Tips] Shell - Pipenv install directive doesn't work. :::info :bulb:Python, VSCode, Django, pipenv, shell, terminal ::: ## :question: Question what I met. :::success python 3.9 was not found on your system ::: When you install pipenv failed and got the error information as title in shell. ## :feet: Step :::success Find the "Pipfile" which should be in project file, then revise the following statement. ::: [requires] python_version = "~~3.9~~". Change the python version according to your current version. As my scenario, I need to chang it to 3.10.