gr.Gallery()

app.py

@@ -21,13 +21,13 @@ def generate_image(prompt: str, progress=gr.Progress(track_tqdm=True)):
         num_inference_steps=28,
         generator=generator,
     )
-    return (output.images[0], f'{(datetime.now() - t0).total_seconds():.2f}s')
+    return [(output.images[0], f'{(datetime.now() - t0).total_seconds():.2f}s')]
 
 
 gr.Interface(
     fn=generate_image,
     inputs=gr.Text(label="Prompt"),
-    outputs=gr.Image(),
+    outputs=gr.Gallery(),
     examples=["A cat playing with a ball of yarn"],
     cache_examples=False,
 ).launch()