def remove_member(self, member, api=None):
        """Remove member from a dataset
        :param member: Member username
        :param api: Api instance
        :return: None
        """
        api = api or self._API
        username = Transform.to_member(member)

        api.delete(
            url=self._URL['member'].format(
                id=self.id,
                username=username
            )
        )
Remove member from a dataset
        :param member: Member username
        :param api: Api instance
        :return: None