IntFlag is the same as Flag, but its members are also integers and can be used anywhere that an integer can be used.
class enum.IntFlag
>>> from enum import IntFlag, auto
>>> class Color(IntFlag):
... RED = auto()
... GREEN = auto()
... BLUE = auto()
>>> Color.RED & 2
<Color: 0>
>>> Color.RED | 2
<Color.RED|GREEN: 3>
>>> Color.RED + 2
3
>>> Color(0)
<Color: 0>