Update demo.py

Fixed a middle button forgotten.

demo.py

@@ -96,7 +96,7 @@ def experiment_to_dict(experiment, skip=False):
 def generate_new_experiment() -> Experiment:
     """
     Generates a new experiment by randomly selecting a sample number and fetching corresponding videos from multiple folders.
-    The positions of the videos (left/middle/right) are randomized.
+    The positions of the videos (left/right) are randomized.
     """
     # Randomly select an action and folder
 
@@ -331,7 +331,7 @@ with gr.Blocks(title="Unsupervised Video Editing", css=css) as demo:
     select_left.click(
         fn=lambda exp, msg: select_and_load("left", exp, msg),
         inputs=[experiment, message_component],
-        outputs=[experiment, video_left_component, video_middle_component, video_right_component, message_component],
+        outputs=[experiment, video_left_component, video_right_component, message_component],
         queue=True,
         show_progress=True
     )
@@ -339,7 +339,7 @@ with gr.Blocks(title="Unsupervised Video Editing", css=css) as demo:
     select_right.click(
         fn=lambda exp, msg: select_and_load("right", exp, msg),
         inputs=[experiment, message_component],
-        outputs=[experiment, video_left_component, video_middle_component, video_right_component, message_component],
+        outputs=[experiment, video_left_component, video_right_component, message_component],
         queue=True,
         show_progress=True
     )