def scope_id(self):
        """
        ID of the scope this Activity belongs to.

        This property will always produce a scope_id, even when the scope object was not included in an earlier
        response.

        When the :class:`Scope` is not included in this task, it will make an additional call to the KE-chain API.

        :return: the scope id (uuid string)
        :raises NotFoundError: if the scope could not be found
        """
        if self.scope:
            scope_id = self.scope and self.scope.get('id')
        else:
            pseudo_self = self._client.activity(pk=self.id, fields="id,scope")
            if pseudo_self.scope and pseudo_self.scope.get('id'):
                self.scope = pseudo_self.scope
                scope_id = self.scope.get('id')
            else:
                raise NotFoundError("This activity '{}'({}) does not belong to a scope, something is weird!".
                                    format(self.name, self.id))
        return scope_id
ID of the scope this Activity belongs to.

        This property will always produce a scope_id, even when the scope object was not included in an earlier
        response.

        When the :class:`Scope` is not included in this task, it will make an additional call to the KE-chain API.

        :return: the scope id (uuid string)
        :raises NotFoundError: if the scope could not be found