fixed cosmetic issue

app.py

@@ -207,7 +207,7 @@ with gr.Blocks() as demo:
         video_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)
         video_button_detect = gr.Button("Detect")
-		    video_button_track = gr.Button("Detect and track")
+		video_button_track = gr.Button("Detect and track")
     
     # with gr.Tab("Webcam Video"):
     #     gr.Markdown("## YOLOv7 Inference on Webcam Video")
@@ -219,7 +219,7 @@ with gr.Blocks() as demo:
     video_button_detect.click(inference2, inputs=[video_input,video_drop,
                                            video_iou_threshold,video_conf_threshold],            
                                         outputs=[video_output,fps_video])
-	  video_button_track.click(inference2, inputs=[video_input,video_drop,
+	video_button_track.click(inference2, inputs=[video_input,video_drop,
                                            video_iou_threshold,video_conf_threshold],            
                                         outputs=[video_output,fps_video])