code: def iter_statuses(self, number=-1, etag=None):
          
          i = self._iter(int(number), self.statuses_url, DeploymentStatus,
                         etag=etag)
          i.headers = Deployment.CUSTOM_HEADERS
          return i
docs: Iterate over the deployment statuses for this deployment.
  
          :param int number: (optional), the number of statuses to return.
              Default: -1, returns all statuses.
          :param str etag: (optional), the ETag header value from the last time
              you iterated over the statuses.
          :returns: generator of :class:`DeploymentStatus`\ es