code: def remove_from_group(self, group, user):
          
          data = {'group': group, 'user': user}
          return self.post('removeUserFromGroup', data)
docs: Remove a user from a group
  
          :type user: str
          :param user: User's email
  
          :type group: str
          :param group: Group name
  
          :rtype: dict
          :return: an empty dictionary