Update app.py

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 import os
 hf_token = os.environ.get("HF_TOKEN")
 from gradio_client import Client
-client = Client("https://fffiloni-safety-checker-bot.hf.space/", hf_token="hf_token")
+client = Client("https://fffiloni-safety-checker-bot.hf.space/", hf_token=hf_token)
 import re
 import spaces
 from diffusers import StableDiffusionXLPipeline, UNet2DConditionModel