rstrip uses its argument as a set of characters to strip from the string. Cut the last four characters with a slice if applicable. Change-Id: Ia2198acf43f92d6f5d687122301f4a5e5324ac31 Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/31181 Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de> Reviewed-by: Alexander Zaft <a.zaft@fz-juelich.de>