Update app.py

app.py

@@ -87,7 +87,6 @@ qa_prompt = ChatPromptTemplate.from_messages(
         ("system", qa_system_prompt),
         MessagesPlaceholder("chat_history"),
         ("user", "{input}"),
-        ("assistant", "")
     ]
 )
 question_answer_chain = create_stuff_documents_chain(llm, qa_prompt)
@@ -123,7 +122,7 @@ async def echo(websocket):
             return
         m = data["message"]
         token = data["token"]
-        docs = retriever.get_relevant_documents(m)
+        docs = retriever.get_relevant_documents(m + "\n\nAssistant: ")
         response = conversational_rag_chain.invoke(
             {"input": m},
             config={