Update app.py

app.py

@@ -1,5 +1,4 @@
-from gpt_index import SimpleDirectoryReader, GPTSimpleVectorIndex, LLMPredictor, PromptHelper
-from langchain.chat_models import ChatOpenAI
+from gpt_index import GPTSimpleVectorIndex
 import gradio as gr
 import os
 
@@ -14,4 +13,4 @@ demo = gr.Interface(fn=chatbot,
                     inputs=gr.components.Textbox(lines=7, label="Enter your question"),
                     outputs=gr.components.Textbox(lines=7, label="Answer"),
                     title="NFT AI Chatbot")
-demo.launch(share=True)
+demo.launch()