Python Tensorflow:未找到：检查点中未找到密钥测试/全局_步骤

当我恢复我训练过的模型时，我在下面得到了这些错误。发生这种情况的原因是什么？如何找出这些错误？谢谢你

    2017-08-10 09:50:09.228153: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/Q_forward/RNN/rnn/gru_cell/candidate/bias not found in checkpoint

2017-08-10 09:50:09.228153: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/P_forward/RNN/rnn/gru_cell/gates/kernel not found in checkpoint

2017-08-10 09:50:09.228184: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/global_step not found in checkpoint

2017-08-10 09:50:09.228231: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/P_forward/RNN/rnn/gru_cell/candidate/kernel not found in checkpoint

2017-08-10 09:50:09.228260: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/P_forward/embs/embs not found in checkpoint

2017-08-10 09:50:09.228353: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/P_forward/RNN/rnn/gru_cell/candidate/bias not found in checkpoint

2017-08-10 09:50:09.228558: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/P_forward/RNN/rnn/gru_cell/gates/bias not found in checkpoint

2017-08-10 09:50:09.229262: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/Q_forward/RNN/rnn/gru_cell/candidate/kernel not found in checkpoint

2017-08-10 09:50:09.229581: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/Q_forward/RNN/rnn/gru_cell/gates/kernel not found in checkpoint

2017-08-10 09:50:09.229610: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/Q_forward/embs/embs not found in checkpoint

2017-08-10 09:50:09.229646: W tensorflow/core/framework/op_kernel.cc:1158] Not found: Key test/Q_forward/RNN/rnn/gru_cell/gates/bias not found in checkpoint

这是回溯：

    Traceback (most recent call last):
  File "/home/ljn/PycharmProjects/RNN_QA/src/QA_lstm.py", line 529, in <module>tf.app.run()

 File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/platform/app.py", line 48, in run
    _sys.exit(main(_sys.argv[:1] + flags_passthrough))

File "/home/ljn/PycharmProjects/RNN_QA/src/QA_lstm.py", line 515, in main
    Test(train_model, te_data_batches, config, FLAGS.num_steps_pre, 
FLAGS.num_steps_q, triplet, vocab)

 File "/home/ljn/PycharmProjects/RNN_QA/src/QA_lstm.py", line 400, in Test
    model.saver.restore(sess, ckpt_state.model_checkpoint_path) #tf.train.latest_checkpoint('../data/log_root/.')

File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/training/saver.py", line 1548, in restore
    {self.saver_def.filename_tensor_name: save_path})

File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 789, in run
    run_metadata_ptr)

回溯（最近一次呼叫最后一次）：
文件“/home/ljn/PycharmProjects/RNN_QA/src/QA_lstm.py”，第529行，在tf.app.run（）中
文件“/usr/local/lib/python2.7/dist-packages/tensorflow/python/platform/app.py”，第48行，正在运行
_系统出口（主（_sys.argv[：1]+标志_passthrough））
文件“/home/ljn/PycharmProjects/RNN_QA/src/QA_lstm.py”，第515行，主视图
测试（列车模型、te数据、批次、配置、FLAGS.num步骤、预，
FLAGS.num_steps_q，三元组，vocab）
文件“/home/ljn/PycharmProjects/RNN_QA/src/QA_lstm.py”，第400行，测试中
model.saver.restore（sess，ckpt_state.model_checkpoint_path）#tf.train.latest_checkpoint（“../data/log_root/”）
文件“/usr/local/lib/python2.7/dist-packages/tensorflow/python/training/saver.py”，第1548行，在restore中
{self.saver\u def.filename\u tensor\u name:save\u path}）
文件“/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py”，第789行，正在运行
运行_元数据_ptr）

导入Tensorflow时添加以下行：

import tensorflow as tf  
tf.reset_default_graph()  

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这对我不起作用，你能解释一下这是怎么回事吗？