code: def get_status(self):
          
          headers, data = self._requester.requestJsonAndCheck(
              "GET",
              self.url,
              headers={
                  "Accept": Consts.mediaTypeMigrationPreview
              }
          )
          self._useAttributes(data)
          return self.state
docs: :calls: `GET /user/migrations/:migration_id`_
          :rtype: str