Upgrade to 78.1 broke ZHA

on upgrade to 0.78.1 existing zha fails completely
seems to be related to zigbee.db
reverting to 0.77.3 and all is ok

018-09-20 11:33:05 ERROR (MainThread) [homeassistant.setup] Error during setup of component zha
Traceback (most recent call last):
File “/srv/homeassistant/lib/python3.5/site-packages/homeassistant/setup.py”, line 145, in _async_setup_component
hass, processed_config)
File “/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/zha/init.py”, line 104, in async_setup
APPLICATION_CONTROLLER = ControllerApplication(radio, database)
File “/srv/homeassistant/lib/python3.5/site-packages/bellows/zigbee/application.py”, line 21, in init
File “/srv/homeassistant/lib/python3.5/site-packages/zigpy/application.py”, line 25, in init
File “/srv/homeassistant/lib/python3.5/site-packages/zigpy/appdb.py”, line 222, in load
value = value.split(b’\x00’)[0]
TypeError: Can’t convert ‘bytes’ object to str implicitly

tried again upgrade to 0.79.3
same results
No one else is having this problem??