Created by: zq19

出错点：

t recent call last)<ipython-input-8-e2038d08f664> in <module>
      1 if __name__ == '__main__':
      2     init_log_config()
----> 3     train_val()
<ipython-input-7-a9f48a063fd1> in train_val()
     84             loss, acc1 = exe.run(program=val_main_program,（clone自默认主程序）
     85                                           feed=feeder.feed(data),
---> 86                                           fetch_list=[avg_cost, acc_top1])
出错信息：
C++ Callstacks: 
Enforce failed. Expected ctx->Attrs().Get<bool>("is_test") == false, but received ctx->Attrs().Get<bool>("is_test"):1 != false:0.
GradOp is only callable when is_test is false at [/paddle/paddle/fluid/operators/dropout_op.cc:108]

网络dropout层：

block6_dropout = fluid.layers.dropout(x=block5_pool, dropout_prob=0.4)
        
block6_fc1 = fluid.layers.fc(input=block6_dropout,
                                     size=fc_size,
                                     act='relu')