* Use f-strings in integrations starting with "M"
* Format mqtt light init with black
* Fix lint error
* Fix pylint error
* Restore constants
* Update homeassistant/components/mqtt/discovery.py
* Update homeassistant/components/mqtt/discovery.py
* Update homeassistant/components/mqtt/discovery.py
* Update homeassistant/components/mqtt/discovery.py
* Format with Black
* move imports to top-level in mqtt server
* move imports to top-level in mqtt configflow
* move imports to top-level in mqtt init
* move imports to top-level in mqtt vacuum
* move imports to top-level in mqtt light
## Description:
Passing in a configuration for the embedded MQTT server has been broken for a while. This fixes that. See related issue number for further details.
**Related issue (if applicable):** fixes#18228
## Checklist:
- [x] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
- [x] There is no commented out code in this PR.
* Migrate mqtt to async
* address paulus comment / convert it complet async
* adress paulus comment / remove future
* Automation triggers should be async
* Fix MQTT async calls
* Show that event helpers are callbacks
* Fix tests
* Lint
springstan
Paulus Schoutsen
Malte Franken
cgtobi
Robbie Trencheny
Fabian Affolter
Jason Hu
Javier Gonel
Mitko Masarliev
Pascal Vizeli
Johann Kellerman
Paulus Schoutsen
Fabian Affolter