Update app.py

app.py

@@ -15,11 +15,11 @@ from apscheduler.schedulers.background import BackgroundScheduler
 CONVERSION_SCRIPT = "convert_lora_to_gguf.py"
 
 def process_model(peft_model_id: str, base_model_id: str, q_method: str, private_repo, oauth_token: gr.OAuthToken | None):
-    if oauth_token is None or oauth_token.token is None:
-        raise gr.Error("You must be logged in to use GGUF-my-lora")
-
     # validate the oauth token
-    whoami(oauth_token.token)
+    try:
+        whoami(oauth_token.token)
+    except Exception as e:
+        raise gr.Error("You must be logged in to use GGUF-my-lora")
 
     model_name = peft_model_id.split('/')[-1]
     gguf_output_name = f"{model_name}-{q_method.lower()}.gguf"