Fix error

app.py

@@ -257,7 +257,7 @@ def quantize_model(
 def generate_readme(outdir: tempfile.TemporaryDirectory, token: str, model_id: str, new_repo_id: str, gguf_name: str):
     creator = get_model_creator(model_id)
     model_name = get_model_name(model_id)
-    username = whoami(oauth_token.token)["name"]
+    username = whoami(token)["name"]
 
     try:
         card = ModelCard.load(model_id, token=token)