Fix mypy error
Without the return, 'psycopg2.connect(db_or_conninfo)' is actually reachable when calling next() twice on the generator
Migrated from D8285 (view on Phabricator)
Staging instance, all changes can be removed at any time
Without the return, 'psycopg2.connect(db_or_conninfo)' is actually reachable when calling next() twice on the generator
Migrated from D8285 (view on Phabricator)