developer-setup: Upgrade new mypy pinned version
That's the version devs must use in our venv now to avoid inconsistencies in behavior with pre-commit and/or our $EDITOR.
Migrated from D7714 (view on Phabricator)
Staging instance, all changes can be removed at any time
That's the version devs must use in our venv now to avoid inconsistencies in behavior with pre-commit and/or our $EDITOR.
Migrated from D7714 (view on Phabricator)