def _collect(self, ns=None):
        for a in [] if ns is None else self.actors(ns):
            self.qualified_actor_list.append(ns + "." + a if ns else a)
        for m in self.modules(ns):
            self._collect(ns / "." + m if ns else m)
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/actorstore/store.py/GlobalStore._collect/operator `+` -> `/`