fixing a typo in the call

app.py

@@ -554,7 +554,7 @@ with demo:
                 )
             with gr.Row():
                 _ = plot_mech_requests_topthree_tools(
-                    daily_mech_requests=daily_mech_requests_by_pearl_agents,
+                    daily_mech_requests=daily_mech_request_by_pearl_agents,
                     tools_accuracy_info=tools_accuracy_info,
                     top=3,
                 )