Fix

app.py

@@ -25,7 +25,8 @@ def fn(video: gr.Video, actions: list[int]):
   do_detect = 0 in actions
   do_classify = 1 in actions
   if not do_detect and not do_classify:
-    return video
+    yield None, video
+    return
   with tempfile.NamedTemporaryFile(delete=False, suffix='.mp4') as f:
     output = f.name
     clip = VideoFileClip(video)
@@ -72,7 +73,7 @@ inputs = [
     type='index')]
 outputs = [
   gr.Image(interactive=False, label='最新处理的视频帧'),
-  gr.Video(interactive=False, label='标记飞机位置及行为的视频片段')]
+  gr.Video(interactive=False, label='输出视频片段')]
 
 examples = [
   ['examples/ZFLFDfovqls_001310_001320.mp4'], # cspell: disable-line