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## Description: Make typing checks more strict: add `--strict-optional` flag that forbids implicit None return type. This flag will become default in the next version of mypy (0.600) Add `homeassistant/util/` to checked dirs. ## Checklist: - [x] The code change is tested and works locally. - [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
1.3 KiB
1.3 KiB