https://docs.python.org/dev/library/enum.html

"This module defines four enumeration classes that can be used to define unique sets of names and values: Enum, IntEnum, and IntFlags"

Enum, IntEnum, IntFlag: I count 3 classes, no 4?

Moreover, the correct class name is IntFlag, not IntFlags. Or did I miss something?

haypo@selma$ ./python
Python 3.7.0a0 (default, Feb 25 2017, 04:30:32) 
>>> import enum
>>> enum.IntFlags
...
AttributeError: module 'enum' has no attribute 'IntFlags'