Upgrade black to 20.8b1 (#39287)

.pre-commit-config.yaml

homeassistant/auth/__init__.py

homeassistant/auth/models.py

homeassistant/bootstrap.py

homeassistant/components/acmeda/helpers.py

homeassistant/components/airvisual/__init__.py

homeassistant/components/airvisual/sensor.py

homeassistant/components/almond/__init__.py

homeassistant/components/androidtv/media_player.py

homeassistant/components/arcam_fmj/config_flow.py

homeassistant/components/arcam_fmj/media_player.py

homeassistant/components/august/config_flow.py

homeassistant/components/august/gateway.py

homeassistant/components/august/sensor.py

homeassistant/components/avri/config_flow.py

homeassistant/components/awair/__init__.py

homeassistant/components/awair/sensor.py

homeassistant/components/axis/light.py

homeassistant/components/azure_devops/__init__.py

homeassistant/components/blink/__init__.py