Update app.py

app.py

@@ -24,7 +24,7 @@ if 'memory' not in st.session_state:
     st.session_state['memory'] = ConversationBufferMemory(return_messages=True)
 
 if 'chain' not in st.session_state:
-    st.session_state['chain'] = CustomChainWithHistory(llm=CustomLLM(repo_id="mistralai/Mixtral-8x7B-Instruct-v0.1", model_type='text-generation', api_token=API_TOKEN, stop=["\n<|"]), memory=memory)
+    st.session_state['chain'] = custom_chain_with_history(llm=CustomLLM(repo_id="mistralai/Mixtral-8x7B-Instruct-v0.1", model_type='text-generation', api_token=API_TOKEN, stop=["\n<|"]), memory=st.session_state.memory)
 
 st.title("Chat With Me")
 st.subheader("by Jonathan Jordan")