TypeError: __init__() got an unexpected keyword argument 'dtype'

在运行FCN代码时出现此类错误，请问应该怎么改，希望能够说的详细一点，刚学代码可能听不懂，（鞠躬）

```python
Traceback (most recent call last):
  File "F:\Workspace\FCN.tensorflow-master\FCN.py", line 232, in <module>
    tf.app.run()
  File "F:\Anaconda\envs\tensorflow\lib\site-packages\tensorflow\python\platform\app.py", line 40, in run
    _run(main=main, argv=argv, flags_parser=_parse_flags_tolerate_undef)
  File "F:\Anaconda\envs\tensorflow\lib\site-packages\absl\app.py", line 312, in run
    _run_main(main, args)
  File "F:\Anaconda\envs\tensorflow\lib\site-packages\absl\app.py", line 258, in _run_main
    sys.exit(main(argv))
  File "F:\Workspace\FCN.tensorflow-master\FCN.py", line 150, in main
    pred_annotation, logits = inference(image, keep_probability)
  File "F:\Workspace\FCN.tensorflow-master\FCN.py", line 85, in inference
    image_net = vgg_net(weights, processed_image)
  File "F:\Workspace\FCN.tensorflow-master\FCN.py", line 53, in vgg_net
    kernels = utils.get_variable(np.transpose(kernels, (1, 0, 2, 3)), name=name + "_w")
  File "F:\Workspace\FCN.tensorflow-master\TensorflowUtils.py", line 61, in get_variable
    init = tf.constant_initializer(weights, dtype=tf.float32)
TypeError: __init__() got an unexpected keyword argument 'dtype'

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