updating to retrieval basis

app.py

@@ -87,27 +87,27 @@ def nishauri(question: str, conversation_history: list[str]):
     conversation_history.append({"user": question, "chatbot": reply_to_user})  
 
     source1 = ("File Name: " +
-      response.source_nodes[0].metadata["file_name"] +
+      sources[0].metadata["file_name"] +
       "\nPage Number: " +
-      response.source_nodes[0].metadata["page_label"] +
+      sources[0].metadata["page_label"] +
       "\n Source Text: " +
-     response.source_nodes[0].text)
+     sources[0].text)
     
     source2 = ("File Name: " +
-      response.source_nodes[1].metadata["file_name"] +
+      sources[1].metadata["file_name"] +
       "\nPage Number: " +
-      response.source_nodes[1].metadata["page_label"] +
+      sources[1].metadata["page_label"] +
       "\n Source Text: " +
-     response.source_nodes[1].text)
+     sources[1].text)
         
     source3 = ("File Name: " +
-      response.source_nodes[2].metadata["file_name"] +
+      sources[2].metadata["file_name"] +
       "\nPage Number: " +
-      response.source_nodes[2].metadata["page_label"] +
+      sources[2].metadata["page_label"] +
       "\n Source Text: " +
-     response.source_nodes[2].text)
+     sources[2].text)
     
-    return response, source1, source2, source3, conversation_history
+    return reply_to_user, source1, source2, source3, conversation_history
 
 inputs = [gr.Textbox(lines=10, label="Question"),
           gr.State(value=[])]