d hell

app.py

@@ -31,7 +31,7 @@ def get_conversation(vectorstore):
     memory = ConversationBufferMemory(memory_key="chat_history",return_messages=True,)
 
     conversation_chain = ConversationalRetrievalChain.from_chain_type(
-        llm=HuggingFaceHub(repo_id="google/flan-t5-xxl", model_kwargs={"temperature":0.5, "max_length":512}),
+        # llm=HuggingFaceHub(repo_id="google/flan-t5-xxl", model_kwargs={"temperature":0.5, "max_length":512}),
         chain_type="stuff", 
         retriever=vectorstore.as_retriever(),
         memory=memory)