Update app.py

app.py

@@ -136,7 +136,8 @@ def get_run_step_details(run_steps):
         if hasattr(step_details, "tool_calls"):
             for tool_call in step_details.tool_calls:
                 show_json("tool_call", tool_call)
-                #result = execute_tool_call(tool_call)
+                if hasattr(tool_call, "function"):
+                    result = execute_tool_call(tool_call)
         ###
 
     return run_step_details