diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py
index 5d3d2c7fb..ddd512e79 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_service.py
@@ -242,7 +242,7 @@ class ProcessModelService(FileSystemService):
         self.write_json_file(json_path, serialized_process_group)
         return process_group
 
-    def process_group_move(self, original_process_group_id, new_location) -> ProcessGroup:
+    def process_group_move(self, original_process_group_id: str, new_location: str) -> ProcessGroup:
         original_group_path = self.process_group_path(original_process_group_id)
         original_root, original_group_id = os.path.split(original_group_path)
         new_root = f"{FileSystemService.root_path()}/{new_location}"
diff --git a/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py b/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py
index 490435a84..b2cd8a384 100644
--- a/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py
+++ b/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py
@@ -2396,7 +2396,7 @@ class TestProcessApi(BaseTest):
         client: FlaskClient,
         with_db_and_bpmn_file_cleanup: None,
         with_super_admin_user: UserModel,
-    ):
+    ) -> None:
         """test_move_model."""
         self.setup_initial_groups_for_move_tests(client, with_super_admin_user)