* Factor out code getting requirements for integration
* Have process requirements raise an exception
* One more lint fix
* Blackify
* Catch new exception
* Let RequirementsNotFound be a HomeAssistantError
* Correct another test
* Split catching of exceptions and avoid complete log
* Log failures to load plaforms
* Drop unused exception variable
* Also load pip requirements with check config
* Fix lint
* More lint
* Drop invalid parameters for error call
* 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