just for test

python/paddle/fluid/tests/unittests/test_dist_transpiler.py

@@ -521,7 +521,7 @@ class TestLocalLookupTable(TestDistLookupTableBase):
             'split_selected_rows', 'send', 'sequence_pool_grad',
             'lookup_table_grad', 'sequence_pool_grad', 'lookup_table_grad',
             'sum', 'split_selected_rows', 'send', 'send_barrier', 'recv',
-            'recv', 'recv', 'recv', 'fetch_barrier', 'concat', 'concat'
+            'recv', 'fetch_barrier'
         ]
         self.assertEqual([op.type for op in trainer.blocks[0].ops], ops)
 
@@ -608,8 +608,7 @@ class TestAsyncLocalLookupTable(TestDistLookupTableBase):
             'send', 'concat_grad', 'sequence_pool_grad', 'lookup_table_grad',
             'split_selected_rows', 'send', 'sequence_pool_grad',
             'lookup_table_grad', 'sequence_pool_grad', 'lookup_table_grad',
-            'sum', 'split_selected_rows', 'send', 'recv', 'recv', 'recv',
-            'recv', 'concat', 'concat'
+            'sum', 'split_selected_rows', 'send', 'recv', 'recv'
         ]
         self.assertEqual([op.type for op in trainer.blocks[0].ops], ops)