Update app.py

app.py

@@ -80,18 +80,13 @@ history_aware_retriever = create_history_aware_retriever(
 qa_system_prompt = """You are an assistant for question-answering tasks.
 Use the following pieces of retrieved context to answer the question.
 If you don't know the answer, just say that you don't know.
-Use three sentences maximum and keep the answer concise. Do not repeat 'Assistant: ' or 'AI: '.
-Now, you will be given a question and you will need to answer it.
-
-{context}
-
-Assistant: 
+Use three sentences maximum and keep the answer concise.
 """
 qa_prompt = ChatPromptTemplate.from_messages(
     [
         ("system", qa_system_prompt),
         MessagesPlaceholder("chat_history"),
-        ("user", "{input}"),
+        ("user", "{input} Assistant: "),
     ]
 )
 question_answer_chain = create_stuff_documents_chain(llm, qa_prompt)