Fix typo

app.py

@@ -11,20 +11,20 @@ with gr.Blocks() as demo:
             input_img = gr.Image()
             output_img = gr.Image()
             submit_img = gr.Button()
-            submit_img.click(identity_with_sleep, input_img, output_img, api_name="img", batch=True, max_size=20)
+            submit_img.click(identity_with_sleep, input_img, output_img, api_name="img", batch=True, max_batch_size=20)
         with gr.Column():
             input_txt = gr.Text()
             output_text = gr.Text()
             submit_text = gr.Button()
-            submit_text.click(identity_with_sleep, input_txt, output_text, api_name="text", batch=True, max_size=20)
+            submit_text.click(identity_with_sleep, input_txt, output_text, api_name="text", batch=True, max_batch_size=20)
         with gr.Column():
             input_audio = gr.Audio()
             output_audio = gr.Audio()
             submit_audio = gr.Button()
-            submit_audio.click(identity_with_sleep, input_audio, output_audio, api_name="audio", batch=True, max_size=20)
+            submit_audio.click(identity_with_sleep, input_audio, output_audio, api_name="audio", batch=True, max_batch_size=20)
         with gr.Column():
             input_video = gr.Video()
             output_video = gr.Video()
             submit_video = gr.Button()
-            submit_video.click(identity_with_sleep, input_video, output_video, api_name="video", batch=True, max_size=20)
+            submit_video.click(identity_with_sleep, input_video, output_video, api_name="video", batch=True, max_batch_size=20)
 demo.queue(max_size=50, concurrency_count=20).launch()