/usr/share/python3/runtime.d/eog-plugin-slideshow-shuffle.rtupdate is in eog-plugin-slideshow-shuffle 3.26.2-1.
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 7 | #! /bin/sh
set -e
if [ "$1" = rtupdate ]; then
	py3clean -p eog-plugin-slideshow-shuffle /usr/lib/x86_64-linux-gnu/eog/plugins
	py3compile -p eog-plugin-slideshow-shuffle  /usr/lib/x86_64-linux-gnu/eog/plugins
fi
 |