removed [] from return

main.py

@@ -125,8 +125,8 @@ def run():
 
     webcam = gr.Interface(
         fn=infer,
-        inputs= [gr.Video(source="webcam", height=412), check_web],
-        outputs = [gr.Video(format='mp4'), gr.PlayableVideo(), gr.PlayableVideo(), gr.PlayableVideo()],
+        inputs= [gr.Video(source="webcam", height=512), check_web],
+        outputs = [gr.Video(format='mp4'), gr.PlayableVideo(height=512), gr.PlayableVideo(height=512), gr.PlayableVideo(height=512)],
         title = 'Pose estimation', 
         description = 'Pose estimation on video',
         allow_flagging=False
@@ -134,8 +134,8 @@ def run():
 
     file = gr.Interface(
         infer,
-        inputs = [gr.Video(source="upload", height=412), check_file],
-        outputs = [gr.Video(format='mp4'), gr.PlayableVideo(), gr.PlayableVideo(), gr.PlayableVideo()],
+        inputs = [gr.Video(source="upload", height=512), check_file],
+        outputs = [gr.Video(format='mp4'), gr.PlayableVideo(height=512), gr.PlayableVideo(height=512), gr.PlayableVideo(height=512)],
         allow_flagging=False
     )