Add the backport dependency for 3.7 again.

Julian · Julian · commit e5a8e65220bb · 2022-08-17T11:01:23.000+03:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -36,8 +36,9 @@ classifiers = [
 dynamic = ["version"]
 
 dependencies = [
-    "lxml",
-    "sphinx>=5.1.1",
+  "lxml",
+  "sphinx>=5.1.1",
+  "importlib_metadata;python_version<'3.8'",
 ]
 
 [project.urls]
