Given GO DAG relationships, return summaries per GO ID.

def get_relationship_dicts(self):
        """Given GO DAG relationships, return summaries per GO ID."""
        if not self.relationships:
            return None
        for goid, goobj in self.go2obj.items():
            for reltyp, relset in goobj.relationship.items():
                relfwd_goids = set(o.id for o in relset)
                # for relfwd_goid in relfwd_goids:
                #     assert relfwd_goid in self.go2obj, "{GO} {REL} NOT FOUND {GO_R}".format(
                #         GO=goid, REL=reltyp, GO_R=relfwd_goid)
                print("CountRelativesInit RELLLLS", goid, goobj.id, reltyp, relfwd_goids)