if not os.path.isfile("/usr/share/grml2usb/grub/splash.xpm.gz"):
logging.critical("Error: /usr/share/grml2usb/grub/splash.xpm.gz can not be read.")
+ logging.critical("Please make sure you've the grml2usb Debian package installed!")
raise
else:
logging.debug("cp /usr/share/grml2usb/grub/splash.xpm.gz %s" % grub_target + 'splash.xpm.gz')