failed arm64 build of pyorbit 2.24.0-7.1+b1

[Debian buildds]

 * Source package: pyorbit
 * Version: 2.24.0-7.1+b1
 * Architecture: arm64
 * State: failed
 * Suite: sid
 * Builder: arm-arm-02.debian.org
 * Build log: https://buildd.debian.org/status/fetch.php?pkg=pyorbit&arch=arm64&ver=2.24.0-7.1%2Bb1&stamp=1448467443&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.