Update app.py

app.py

@@ -45,7 +45,7 @@ if (index != None):
     emb = get_embeddings(index)
     fig = get_visualize_embeddings(emb)
 
-     rdf_graph = generate_rdf(index)
+    rdf_graph = generate_rdf(index)
     
     # Visualize RDF structure
     rdf_visualization = visualize_rdf(rdf_graph)