pyproj 2.2.0 ImportError: No module named 'aenum'

[apiszcz]

Advanced Enumerations now required for pyproj.
https://pypi.org/project/aenum/#files

Traceback (most recent call last):
File "lib_testmod\testmod.py", line 2807, in
import pyproj
File "C:\g\testmod\lib\pyproj_init_.py", line 75, in
from pyproj.crs import CRS # noqa
File "C:\g\testmod\lib\pyproj\crs.py", line 35, in
from pyproj._crs import CoordinateOperation # noqa
File "pyproj_crs.pyx", line 7, in init pyproj._crs
File "C:\g\testmod\lib\pyproj\enums.py", line 10, in
from aenum import Enum
ImportError: No module named 'aenum'