Update app.py

app.py

@@ -1,6 +1,13 @@
 import streamlit as st
+import os
+from langchain.llms import OpenAI
+from langchain.prompts import PromptTemplate
+from langchain.chains import LLMChain
 
 
+
+api_key = os.environ['openai_api_key']
+
 def get_diabetic_heading(data):
 
     llm = OpenAI(temperature=0,openai_api_key=api_key)