Update app.py

app.py

@@ -137,17 +137,17 @@ def get_response(user_input):
     #     task="text2text-generation",
     #     # model_kwargs={"temperature": 0.2},
     # )
-    # llm = HuggingFacePipeline.from_model_id(
-    #     model_id="google-t5/t5-small",
-    #     task="text2text-generation",
-    #     # model_kwargs={"temperature": 0.2},
-    # )
-
     llm = HuggingFacePipeline.from_model_id(
-        model_id="lmsys/fastchat-t5-3b-v1.0",
+        model_id="google-t5/t5-small",
         task="text2text-generation",
         # model_kwargs={"temperature": 0.2},
     )
+
+    # llm = HuggingFacePipeline.from_model_id(
+    #     model_id="lmsys/fastchat-t5-3b-v1.0",
+    #     task="text2text-generation",
+    #     # model_kwargs={"temperature": 0.2},
+    # )
     
     retriever_chain = get_context_retriever_chain(st.session_state.vector_store,llm)
     conversation_rag_chain = get_conversational_rag_chain(retriever_chain,llm)