Trial and error.

app.py

@@ -20,7 +20,7 @@ class BasicAgent:
         self.model_name = "Qwen/Qwen1.5-7B-Chat"  # Default model
         self.hf_token = os.getenv("HF_TOKEN")  # Get token from environment if available
 
-        print(f"aaa, {os.getenv("HF_TOKEN")}")
+        print(f"aaa, {os.getenv('HF_TOKEN')}")
 
         # List of fallback models (free models that don't require authentication)
         self.fallback_models = [