Broken link on distribution context

    * Module canonical.launchpad.webapp.publisher, line 458, in _publishTraverse
      return self._handle_next_object(nextobj, request, name)
    * Module canonical.launchpad.webapp.publisher, line 379, in _handle_next_object
      raise NotFound(self.context, name)

NotFound: Object: <Distribution at 0x2aa62874d0>, name: u'+sources'

https://launchpad.net/distros/ubuntu/+sources