Update app.py

app.py

@@ -302,7 +302,7 @@ def update_code_and_docs(select):
 def update_code_and_docs_on_start(url_params: gr.Request):
     params = get_params(url_params)
     if params.transform_name is not None and params.transform_name not in transforms_map:
-        gt.Warning(f"Sorry, `{params.transform_name}` transform is not supported at the moment :(")
+        gr.Warning(f"Sorry, `{params.transform_name}` transform is not supported at the moment :(")
         transform_name = DEFAULT_TRANSFORM
     elif params.transform_name in transforms_map:
         transform_name = params.transform_name