failed armhf build of pitivi 0.91-1

[Debian buildds]

 * Source package: pitivi
 * Version: 0.91-1
 * Architecture: armhf
 * State: failed
 * Suite: experimental
 * Builder: hasse.debian.org
 * Build log: https://buildd.debian.org/fetch.cgi?pkg=pitivi&arch=armhf&ver=0.91-1&stamp=1383303566&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.