Update app.py

app.py

@@ -96,7 +96,7 @@ def get_conversation_chain(vectorstore):
     
     
     prompt = hub.pull("rlm/rag-prompt")
-    rag_chain = ({"context": retriever} | prompt  | llm | StrOutputParser())
+    rag_chain = ({"context": retriever} | prompt  | llm | StrOutputParser(),return_source_documents = True)
 
 
     return rag_chain