* Type check all helpers, add inline exclusions for work in progress
* Remove unused Script._template_cache
* Add some missing type hints
* Remove unneeded type: ignore
* Type hint fixes
* Mypy assistance tweaks
* Don't look for None in deprecated config "at most once" check
* Avoid None name slugify attempt when generating entity id
* Avoid None state store attempt on entity remove
* Set default parallel_update value should base on async_update
* Set default parallel_update value should base on async_update
* Delay the parallel_update_semaphore creation
* Remove outdated comment
* Restore states through a JSON store
* Accept entity_id directly in restore state helper
* Keep states stored between runs for a limited time
* Remove warning
This avoids a race between multiple concurrent calls to
entity_platform.async_add_entities() which may cause
entities to be created with non-unique entity_id
* Add test that tests unloading on remove
* Add more test things
* Untangle entity remove code from entity platform
* Don't add default implementation of async_will_remove
* Keep entity weakref alive
* Allow device registry to optionally store config entries
* Connections and identifiers are now sets with tupels
* Make config entries mandatory
* Fix duplicate keys in test
* Rename device to device_info
* Entity platform should only create device entries if config_entry_id exists
* Fix Soundtouch tests
* Revert soundtouch to use self.device
* Fix baloobs comments
* Correct type in test
* First draft
* Generate device id
* No obscure registry
* Dont store config_entry_id in device
* Storage
* Small mistake on rebase
* Do storage more like entity registry
* Improve device identification
* Add tests
* Remove deconz device support from PR
* Fix hound comments, voff!
* Fix comments and clean up
* Fix proper indentation
* Fix pydoc issues
* Fix mochad component to not use self.device
* Fix mochad light platform to not use self.device
* Fix TankUtilitySensor to not use self.device
* Fix Soundtouch to not use self.device
* Fix Plex to not use self.device
* Fix Emby to not use self.device
* Fix Heatmiser to not use self.device
* Fix Wemo lights to not use self.device
* Fix Lifx to not use self.device
* Fix Radiotherm to not use self.device
* Fix Juicenet to not use self.device
* Fix Qwikswitch to not use self.device
* Fix Xiaomi miio to not use self.device
* Fix Nest to not use self.device
* Fix Tellduslive to not use self.device
* Fix Knx to not use self.device
* Clean up a small mistake in soundtouch
* Fix comment from Ballob
* Fix bad indentation
* Fix indentatin
* Lint
* Remove unused variable
* Lint
## Description:
More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon).
## Checklist:
- [ ] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
* Simplify entity update
* Split entity platform from entity component
* Decouple entity platform from entity component
* Always include unit of measurement again
* Lint
* Fix test