bug fix

fleet_rec/core/trainers/single_trainer.py

@@ -122,6 +122,10 @@ class SingleTrainer(TranspileTrainer):
             with fluid.program_guard(infer_program, startup_program):
                 self.model.infer_net()
 
+        if self.model._infer_data_loader is None:
+            context['status'] = 'terminal_pass'
+            return
+
         reader = self._get_dataloader("Evaluate")
 
         metrics_varnames = []

fleet_rec/core/trainers/transpiler_trainer.py

@@ -102,8 +102,8 @@ class TranspileTrainer(Trainer):
             if not need_save(epoch_id, save_interval, False):
                 return
             
-        #    print("save inference model is not supported now.")
-        #    return
+            print("save inference model is not supported now.")
+            return
 
             feed_varnames = envs.get_global_env("save.inference.feed_varnames", None, namespace)
             fetch_varnames = envs.get_global_env("save.inference.fetch_varnames", None, namespace)