Fixed example issue

app.py

@@ -245,7 +245,7 @@ with gr.Blocks() as demo:
         tracking_drop = gr.Dropdown(choices=trackers,value=trackers[0], label="Select the tracking method")
         videotr_iou_threshold = gr.Slider(label="IOU Threshold",interactive=True, minimum=0.0, maximum=1.0, value=0.45)
         videotr_conf_threshold = gr.Slider(label="Confidence Threshold",interactive=True, minimum=0.0, maximum=1.0, value=0.25)
-        gr.Examples(examples=examples_videos,inputs=video_input,outputs=video_output)
+        gr.Examples(examples=examples_videos,inputs=videotr_input,outputs=videotr_output)
         video_button_track = gr.Button("Track")