Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 import ffmpeg
-import os
 
+import os
 
 def transcode_video(video):
   """Transcodes a video file to m3u8 using ffmpeg.
@@ -28,8 +28,7 @@ demo = gr.Interface(transcode_video,
                     gr.Video(), 
                     "playable_video", 
                     examples=[
-                        os.path.join(os.path.dirname(__file__), 
-                                     "video/video_sample.mp4")], 
+                        video.path for video in gr.inputs.Video(accept=".mp4")], 
                     cache_examples=True)
 
 if __name__ == "__main__":