Merge branch 'master' into feature/use-entrypoints

pyproject.toml

@@ -65,6 +65,10 @@ pytest-sugar = "^0.9.2"
 [tool.poetry.plugins."aleksis.app"]
 untis = "aleksis.apps.untis.apps:UntisConfig"
 
+[tool.black]
+line-length = 100
+exclude = "/migrations/"
+
 [build-system]
 requires = ["poetry>=0.12"]
 build-backend = "poetry.masonry.api"