Refactor file name assignment for CWL export

Author: jan-janssen

src/python_workflow_definition/cwl/__init__.py

@@ -108,7 +108,9 @@ def _write_function_cwl(workflow, directory_path: str = "."):
             },
             "outputs": {},
         }
-        file_name = export_path / (function_nodes_dict[i].split(".")[-1] + "_" + str(i) + ".cwl")
+        file_name = export_path / (
+            function_nodes_dict[i].split(".")[-1] + "_" + str(i) + ".cwl"
+        )
         if function_nodes_dict[i].split(".")[0] != "python_workflow_definition":
             template["inputs"]["workflowfile"]["default"]["location"] = (
                 function_nodes_dict[i].split(".")[0] + ".py"