No OpenCV library found! Install or compile for your system following instructions here: http://opencv.org/releases.ht

[JBelinchon]

In Hassio 0.94.x

1:- Install Portainer add-on
2:- Connect to Portainer and unhide homeassistant container and exec console to get a bash session.
3:- Follow this instructions to reinstall opencv.
4:- Restart HA