Update handler.py

handler.py

@@ -13,7 +13,7 @@ class EndpointHandler:
         self.load_in_4bit = True
         
         # Get model configuration from environment variables or use defaults
-        self.selected_model_name = os.environ.get("SELECTED_MODEL", "Gemma3-12")
+        self.selected_model_name = os.environ.get("SELECTED_MODEL", "Qwen2.5")
         
         # Model configurations
         self.model_options = {