This pep already partially does that. > The error message SHOULD inform the user that a virtual environment is required, SHOULD provide shell-specific instruct

This pep already partially does that. > The error message SHOULD inform the user that a virtual environment is required, SHOULD provide shell-specific instructions on how to create and activate a virtual environment named .venv, and SHOULD provide a link to a documentation page that explains how to create and activate a virtual environment.