Upload app.py

app.py

@@ -84,7 +84,7 @@ qa_chain = ConversationalRetrievalChain.from_llm(
     retriever=vectordb.as_retriever(search_kwargs={"k": 3}),
     memory=memory,
     chain_type="map_reduce",
-    combine_docs_chain_kwargs={"prompt": prompt}
+    combine_docs_chain_kwargs={"combine_prompt": prompt}
 )
 
 # --- Step 8: Define chatbot logic ---