Update app.py

app.py

@@ -1,7 +1,6 @@
 import streamlit as st
-from langchain.prompts import PromptTemplate
-from langchain.chains import LLMChain
 from langchain.llms import CTransformers
+from langchain import PromptTemplate, LLMChain
 from langchain.memory import ConversationBufferWindowMemory 
 
 path = "TheBloke/Llama-2-7B-Chat-GGML"
@@ -24,6 +23,9 @@ st.title("LLM Chatbot")
 # input
 question = st.text_input("Question")
 # output
-answer = chain.run(question)
+
+with st.spinner('Wait for it...'):
+    answer = chain.run(question)
+st.success('Done!')
 st.text(answer)