Update djangocms_versioning/admin.py

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>

Author: fsbraun

djangocms_versioning/admin.py

@@ -91,7 +91,11 @@ def get_queryset(self, request, exclude_parameters=None):
 
 def versioning_change_list_factory(base_changelist_cls):
     """Generate a ChangeList class to use for the content model"""
-    return type("Versioned" + base_changelist_cls.__name__, (VersioningChangeListMixin, base_changelist_cls), {})
+    return type(
+        f"Versioned{base_changelist_cls.__name__}",
+        (VersioningChangeListMixin, base_changelist_cls),
+        {},
+    )
 
 
 class VersioningAdminMixin: