File _link of Package failed_python-novaclient

<link project="Cloud:OpenStack:Havana:Staging" package="python-novaclient" rev="f7d9e347ebaaf515f2f9a87f7d39aec8" baserev="f7d9e347ebaaf515f2f9a87f7d39aec8">
  <patches>
    <branch/>
  </patches>
</link>