docs: def delete_user(self, auth, username):
          """
          Deletes the user with username ``username``. Should only be called if the
          to-be-deleted user has no repositories.
  
          :param auth.Authentication auth: authentication object, must be admin-level
          :param str username: username of user to delete
          """
          path = "/admin/users/{}".format(username)
          self.delete(path, auth=auth)