celery flower不能正产访问

[tanggaoweia]

报错： c:\users\wstanggw\appdata\local\programs\python\python35\lib\site-packages\celery\bin\base.py:158: UserWarning: Cannot load extension 'flower.command:FlowerCommand': ImportError("cannot import name 'Type'",) 'Cannot load extension {0!r}: {1!r}'.format(sym, exc)) Usage: celery [options]

Show help screen and exit.