Update app.py

app.py

@@ -158,7 +158,7 @@ with tab2:
 
     try:
         # Load and display the workflow graph
-        graph_path = "graph.png"  # Ensure graph.py generates this
+        graph_path = "/tmp/graph.png"  # Ensure graph.py generates this
         if os.path.exists(graph_path):
             st.image(graph_path, caption="Multi-Agent Workflow", use_column_width=True)
         else: