Update app.py

app.py

@@ -35,7 +35,7 @@ def pdf_changes(pdf_doc, repo_id):
 
     # Create a RetrievalQA chain with the LLM, retriever, and return_source_documents option
     global qa
-    qa = RetrievalQA.from_chain_type(llm=llm, chain_type="stuff", retriever=retriever, return_source_documents=True)
+    qa = RetrievalQA.from_chain_type(llm=llm, chain_type="stuff", retriever=retriever, return_source_documents=False)
 
     return "Ready"