Update app.py

app.py

@@ -0,0 +1,12 @@
+import os
+import streamlit as st
+from langchain_openai import ChatOpenAI
+from langchain.prompts import PromptTemplate
+from langchain.chains import LLMChain, SequentialChain
+
+def main():
+    st.title('Chain based story generator')
+
+if __name__ == "__main__":
+    main()
+