Update app.py

app.py

@@ -48,7 +48,7 @@ def get_conversation_chain(vectorstore):
     # tokenizer = T5Tokenizer.from_pretrained("google/flan-t5-base")
     # model = T5ForConditionalGeneration.from_pretrained("google/flan-t5-base")
 
-    llm = HuggingFaceHub(repo_id="google/flan-t5-base", huggingfacehub_api_token=hub_token, model_kwargs={"temperature":0.5, "max_length":20})
+    llm = HuggingFaceHub(repo_id="ramsrigouthamg/t5_sentence_paraphraser", huggingfacehub_api_token=hub_token, model_kwargs={"temperature":0.5, "max_length":20})
 
     memory = ConversationBufferMemory(
         memory_key='chat_history', return_messages=True)