Created by: zzhzz

自己写了一个operator，完成了反向计算过程 在单测的check_grad中发生如下错误，没有找到修改的头绪 Traceback (most recent call last): 287: File "/Users/baidu/Documents/Paddle/build/python/paddle/fluid/tests/unittests/test_tree_conv_op.py", line 92, in test_check_grad 287: self.check_grad(['NodesVector', 'Filter'], 'Out') 287: File "/Users/baidu/Documents/Paddle/build/python/paddle/fluid/tests/unittests/op_test.py", line 405, in check_grad 287: user_defined_grads) 287: File "/Users/baidu/Documents/Paddle/build/python/paddle/fluid/tests/unittests/op_test.py", line 441, in check_grad_with_place 287: output_names, no_grad_set) 287: File "/Users/baidu/Documents/Paddle/build/python/paddle/fluid/tests/unittests/op_test.py", line 519, in _get_gradient 287: executor.run(prog, feed_dict, fetch_list, return_numpy=False))) 287: File "/Users/baidu/Documents/Paddle/build/python/paddle/fluid/executor.py", line 470, in run 287: self.executor.run(program.desc, scope, 0, True, True) 287: ValueError: Invalid index