failed all build of meld 3.18.0-2

[Debian buildds]

 * Source package: meld
 * Version: 3.18.0-2
 * Architecture: all
 * State: failed
 * Suite: sid
 * Builder: x86-csail-02.debian.org
 * Build log: https://buildd.debian.org/status/fetch.php?pkg=meld&arch=all&ver=3.18.0-2&stamp=1508093859&file=log

Please note that these notifications do not necessarily mean bug reports
in your package but could also be caused by other packages, temporary
uninstallabilities and arch-specific breakages.  A look at the build log
despite this disclaimer would be appreciated however.