4.15.0-44.47) is not available, but a newer one is (4.15.0-46.49). We redirected you there.
/usr/bin/sisu-odf is in sisu 7.1.11-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 | #!/bin/sh
sisu --odt ${@}
|