Update app.py

app.py

@@ -173,6 +173,7 @@ def list_run_steps(client, thread, run):
     for step in run_steps.data:
         step_details = step.step_details
         show_json("step_details", step_details)
+        print(step_details.tool_call)
         # TODO: execute_tool_call
     
     return run_steps