Update app.py

app.py

@@ -30,7 +30,7 @@ def transcode_video(input_video_file, output_file, output_format, output_fps):
   return output_file
 
 def name_file(file_path):
-  return os.path.basename(file_path)
+  return os.path.basename(file_path.name)
 
 input_video_file = File(accept=".mp4, .mov, .avi, .flv, .wmv, .mpeg, .mpg, .ogg, .webm")