Update app.py

Initial version

app.py

@@ -1,13 +1,14 @@
 import streamlit as st
 from transformers import pipeline
 from langchain.llms import GooglePalm
+import os
 
 #x = st.slider('Select a value')
 #st.write(x, 'squared is', x * x)
 
 #pipe = pipeline('sentiment-analysis')
 
-api_key = $GOOGLE_PALM_API_KEY
+api_key = os.environ.getattribute("GOOGLE_PALM_API_KEY")
 llm = GooglePalm(google_api_key=api_key, temperature=0.1)
 
 text = st.text_area('enter text to get assistance!')