docs: def fetch(self):
          """
          Fetch & return a new `SSHKey` object representing the SSH key's current
          state
  
          :rtype: SSHKey
          :raises DOAPIError: if the API endpoint replies with an error (e.g., if
              the SSH key no longer exists)
          """
          api = self.doapi_manager
          return api._ssh_key(api.request(self.url)["ssh_key"])