Update app.py

app.py

@@ -29,8 +29,8 @@ def transcode_video(input_video_file, output_file, output_format, output_fps):
   # Return the path to the transcoded file.
   return output_file
 
-def name_file(file_path):
-  return os.path.basename(file_path.name)
+def name_file(file):
+  return file.name
 
 input_video_file = File(accept=".mp4, .mov, .avi, .flv, .wmv, .mpeg, .mpg, .ogg, .webm")