Update black target version to 3.9+ (home-assistant#65260)

scop · web-flow · commit 0673e96401a0 · 2022-01-30T20:15:50.000-08:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools~=60.5", "wheel~=0.37.1"]
 build-backend = "setuptools.build_meta"
 
 [tool.black]
-target-version = ["py38"]
+target-version = ["py39", "py310"]
 exclude = 'generated'
 
 [tool.isort]
