fix transpiler condition op in optimize

python/paddle/fluid/distribute_transpiler.py

@@ -408,9 +408,14 @@ class DistributeTranspiler:
         pserver_vars = pserver_program.global_block().vars
         created_var_map = dict()
         for _, var in pserver_vars.iteritems():
+            if var.type == core.VarDesc.VarType.STEP_SCOPES:
+                tmpvar = s_prog.global_block().create_var(
+                    name=var.name, persistable=var.persistable, type=var.type)
+            else:
                 tmpvar = s_prog.global_block().create_var(
                     name=var.name,
                     persistable=var.persistable,
+                    type=var.type,
                     dtype=var.dtype,
                     shape=var.shape)
             created_var_map[var.name] = tmpvar
@@ -708,6 +713,13 @@ class DistributeTranspiler:
                 varlist = [varlist]
 
             for var in varlist:
+                print("##### deal var: ", var)
+                if var.type == core.VarDesc.VarType.STEP_SCOPES:
+                    program.global_block().create_var(
+                        name=var.name,
+                        persistable=var.persistable,
+                        type=var.type)
+                else:
                     program.global_block().create_var(
                         name=var.name,
                         persistable=var.persistable,