reduce is moved to functools, urllib reogranized. 2to3 . --fix urllib -wpn 2to3 . --fix reduce -wpn 2to3 . --fix import -wpn 2to3 . --fix imports -wpn 2to3 . --fix imports2 -wpn Ref: PEP 3108, PEP 3100 https://peps.python.org/pep-3108/ https://peps.python.org/pep-3100/