@ -35,7 +35,7 @@ struct DataBalanceOpHandle : public OpHandleBase {
const platform::NCCLContextMap *ctxs);
#else
DataBalanceOpHandle(const std::vector<Scope *> &local_scopes,
const std::vector<platform::Place> *places)
const std::vector<platform::Place> &places);
#endif
std::string Name() const override;