$ pip3 show cbapi
Name: cbapi
Version: 1.3.7

from cbapi import auth, connection

File "/usr/local/lib/python3.6/dist-packages/cbapi/init.py", line 15, in
from cbapi.psc.threathunter import CbThreatHunterAPI
ModuleNotFoundError: No module named 'cbapi.psc.threathunter