Update app.py

app.py

@@ -137,6 +137,11 @@ def get_response(user_input):
         task="text2text-generation",
         # model_kwargs={"temperature": 0.2},
     )
+    llm = HuggingFacePipeline.from_model_id(
+        model_id="TinyLlama/TinyLlama-1.1B-Chat-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)