Use Python 3.9 as target for black

dbrattli · dbrattli · commit 58fdd40fb420 · 2022-02-23T08:12:24.000+01:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -44,7 +44,7 @@ coveralls = "^3.3.1"
 
 [tool.black]
 line-length = 88
-target_version = ['py38']
+target_version = ['py39']
 include = '\.py$'
 
 [tool.isort]
