Update app.py

app.py

@@ -1,12 +1,13 @@
 import gradio as gr
 import numpy as np
 import random
-import spaces
+
 import torch
 from diffusers import FluxPipeline
 from huggingface_hub import login
-
-login(token="hf_tok" )
+import os 
+a=os.getenv('hf_tok')
+login(token=a )