Update app.py

app.py

@@ -1,4 +1,4 @@
-from llama_index import GPTSimpleVectorIndex
+from gpt_index import GPTSimpleVectorIndex
 from langchain import OpenAI
 import gradio as gr
 from gradio import Interface, Textbox
@@ -50,7 +50,7 @@ def store_message(chatinput: str, chatresponse: str):
             file.write(f"{datetime.now()},{chatinput},{chatresponse}\n")
             print(f"Wrote to datafile: {datetime.now()},{chatinput},{chatresponse}\n")
         
-        #trial - take out if fails
+        #trial - take out if fails to write to local directory
         with open('backup.txt', "a") as file:
             file.write(f"{datetime.now()},{chatinput},{chatresponse}\n")
             print(f"Wrote to datafile: {datetime.now()},{chatinput},{chatresponse}\n")