Update app.py

app.py

@@ -608,7 +608,11 @@ with tab3:
                 graph_store.add_triple(building_name, "has_sensor", sensor_id)
         
             # Configuration for the graph visualization
-            agraph_config = Config(height=600, width=600, nodeHighlightBehavior=True, highlightColor="#F7A7A6", directed=True, collapsible=True)
+            agraph_config = Config(height=600, width=600, nodeHighlightBehavior=True, highlightColor="#F7A7A6", 
+                                   directed=True, collapsible=True,
+                                  node={'labelProperty': 'label', 'size': 1000}
+                        
+                                  )
         
             # Display the graph
             agraph(nodes=graph_store.getNodes(), edges=graph_store.getEdges(), config=agraph_config)