Update app.py

app.py

@@ -25,6 +25,7 @@ tree = app_commands.CommandTree(client)
 async def generate_image_async(prompt, aspect_ratio):
     global glif_token_id
     global GLIF_API_TOKEN
+    global glif_tokens_tried
     payload = {
         "id": "cm3ugmzv2002gnckiosrwk6xi",
         "inputs": [prompt, aspect_ratio],