Update app.py

app.py

@@ -85,16 +85,16 @@ def build_interface(iter=3, data_folder='./videos'):
                                     "videos/rl-video-episode-0.mp4")
                 right_video_path = os.path.join(os.path.dirname(__file__), 
                                     "videos/rl-video-episode-1.mp4")
-                left = gr.PlayableVideo(left_video_path)
-                right = gr.PlayableVideo(right_video_path)
+                left = gr.PlayableVideo(left_video_path, label="left_video")
+                right = gr.PlayableVideo(right_video_path, label="right_video")
             else:
                 left_video_path = os.path.join(os.path.dirname(__file__), 
                                     "videos/rl-video-episode-0.gif")
                 right_video_path = os.path.join(os.path.dirname(__file__), 
                                     "videos/rl-video-episode-1.gif")  
-                left = gr.Image(left_video_path, shape=(1024, 768))
+                left = gr.Image(left_video_path, shape=(1024, 768), label="left_video")
                 # right = gr.Image(right_video_path).style(height=768, width=1024)
-                right = gr.Image(right_video_path)
+                right = gr.Image(right_video_path, label="right_video")
 
         btn1 = gr.Button("Replay")
         user_choice = gr.Radio(["Left", "Right", "Not Sure"], label="Which one is your favorite?")