fix bug

core/trainers/framework/runner.py

@@ -209,12 +209,20 @@ class RunnerBase(object):
 
                     if save_step_interval >= 1 and batch_id % save_step_interval == 0 and context[
                             "is_infer"] == False:
+                        if context["is_fleet"]:
                             if context["fleet_mode"].upper() == "PS":
-                            train_prog = context["model"][model_dict["name"]][
-                                "main_program"]
+                                train_prog = context["model"][model_dict[
+                                    "name"]]["main_program"]
+                                print("condition 1 of bath id:{}".format(
+                                    batch_id))
+                            else:
+                                train_prog = context["model"][model_dict[
+                                    "name"]]["default_main_program"]
+                                print("condition 2")
                         else:
                             train_prog = context["model"][model_dict["name"]][
                                 "default_main_program"]
+                            print("condition 3")
                         startup_prog = context["model"][model_dict["name"]][
                             "startup_program"]
                         with fluid.program_guard(train_prog, startup_prog):