perfrom checks and build tasks

        :return: list of tasks
        :rtype: list(kser.sequencing.operation.Operation)

def compute_tasks(self, **kwargs):
        """ perfrom checks and build tasks

        :return: list of tasks
        :rtype: list(kser.sequencing.operation.Operation)
        """
        params = self._prebuild(**kwargs)
        if not params:
            params = dict(kwargs)

        return self._build_tasks(**params)