Homekit error after upgrade to 0.76.2

Just ran the upgrade. Now getting errors that the api.py is outdated.

Exception: Version mismatch: this is the 'cffi' package version 1.11.2, located in '/var/homeassistant/deps/lib/python3.5/site-packages/cffi/api.py'.  When we import the 
top-level '_cffi_backend' extension module, we get version 1.11.5, located in '/usr/local/lib/python3.5/dist-packages/_cffi_backend.cpython-35m-x86_64-linux-gnu.so'.  The
 two versions should be equal; check your installation.
2018-08-22 12:36:48 INFO (MainThread) [homeassistant.core] Bus:Handling <Event call_service[L]: service_data=title=Invalid config, notification_id=invalid_config, message
=The following components and platforms could not be set up:

 - [homekit](https://home-assistant.io/components/homekit/)

Please check your config., domain=persistent_notification, service=create>
2018-08-22 12:36:48 INFO (MainThread) [homeassistant.core] Bus:Handling <Event state_changed[L]: entity_id=persistent_notification.invalid_config, old_state=None, new_sta
te=<state persistent_notification.invalid_config=notifying; title=Invalid config, message=The following components and platforms could not be set up:

 - [homekit](https://home-assistant.io/components/homekit/)

I forced Python to install the old package 1.11.2.
Now it runs till I upgrade python.