Update app.py

app.py

@@ -1,8 +1,9 @@
 import gradio as gr
 from datasets import load_dataset
 import huggingface_hub as hh
+import os
 
-hh.login(token='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')
+hh.login(token=os.environ['token'])
 
 # If the dataset is gated/private, make sure you have run huggingface-cli login
 dataset = load_dataset("AllenYkl/baikejiankang")