/usr/share/python/runtime.d/smart-notifier.rtupdate is in smart-notifier 0.28-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 | #! /bin/sh
set -e
if [ "$1" = rtupdate ]; then
	pyclean -p smart-notifier /usr/share/smart-notifier
	pycompile -p smart-notifier -V 2.4- /usr/share/smart-notifier
fi
 |