just saw this pop up in the logs
Error doing job: Future exception was never retrieved
Traceback (most recent call last):
File "/usr/lib/python3.5/concurrent/futures/thread.py", line 55, in run
result = self.fn(*self.args, **self.kwargs)
File "/usr/local/lib/python3.5/dist-packages/homeassistant/components/homekit/__init__.py", line 134, in start_driver
from pyhap.accessory_driver import AccessoryDriver
File "/root/.homeassistant/deps/lib/python3.5/site-packages/pyhap/accessory_driver.py", line 41, in <module>
from pyhap.hap_server import HAPServer
File "/root/.homeassistant/deps/lib/python3.5/site-packages/pyhap/hap_server.py", line 19, in <module>
from Crypto.Protocol.KDF import HKDF
ImportError: cannot import name 'HKDF'