Update app.py

app.py

@@ -2,9 +2,10 @@ import gradio as gr
 from huggingface_hub import hf_hub_download
 import json
 import urllib
+import os
 
 filepath = hf_hub_download(repo_id="bigcode/commits-username-to-repo", filename="username_to_repo.json",
-                           repo_type="dataset", token="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")
+                           repo_type="dataset", token=os.environ.get("api_token"))
 with open(filepath, 'r') as f:
     username_to_repo = json.load(f)