Update app.py

app.py

@@ -8,6 +8,8 @@ from langchain_community.llms import HuggingFaceEndpoint
 from langchain.prompts import PromptTemplate, ChatPromptTemplate
 from langchain_core.prompts.chat import SystemMessagePromptTemplate, HumanMessagePromptTemplate
 import os
+import gradio as gr
+
 your_endpoint_url = "https://kp4xdy196cw81uf3.us-east-1.aws.endpoints.huggingface.cloud"
 token = os.environ["API_TOKEN"]