docs: def group(self, id, expand=None):
          """Get a group Resource from the server.
  
          :param id: ID of the group to get
          :param id: str
          :param expand: Extra information to fetch inside each resource
          :type expand: Optional[Any]
  
          :rtype: User
          """
          group = Group(self._options, self._session)
          params = {}
          if expand is not None:
              params['expand'] = expand
          group.find(id, params=params)
          return group