Update app.py

app.py

@@ -39,6 +39,9 @@ def resize_image(input_path, output_path, target_height):
 
     return output_path, new_width, target_height
 
+def show_hidden():
+    return gr.update(visible=True)
+
 def load_pipeline(control_type):
     if control_type == "canny":
         pipe_canny = StableDiffusion3ControlNetPipeline.from_pretrained(
@@ -140,6 +143,10 @@ with gr.Blocks(css=css) as demo:
 
 
     submit_canny_btn.click(
+        fn = show_hidden,
+        inputs = None,
+        outputs = [models]
+    ).then(
         fn = load_pipeline,
         inputs = [control_type],
         outputs = [models]