Update app.py

app.py

@@ -75,7 +75,7 @@ qa_chat_prompt = ChatPromptTemplate.from_messages(
 )
 
 llm_model = "HuggingFaceH4/zephyr-7b-beta"
-pipe = pipeline(task="text-generation",llm_model = "HuggingFaceH4/zephyr-7b-beta",retriever = retriever,chat = qa_chat_prompt)
+pipe = pipeline(task="text-generation", model = llm_model,retriever = retriever,chat = qa_chat_prompt)
 
 
 #chain = qa_chat_prompt | pipe