from lasagne.layers.special import TransformerLayer

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when I run"from lasagne.layers.special import TransformerLayer",I encountered the following error,is there any solution?Thanks  a lot to reply.

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-60-eb8a837d2b93> in <module>
----> 7 from lasagne.layers.special import TransformerLayer
      8 from lasagne.layers.special import standardize

D:\anaconda\lib\site-packages\lasagne\layers\special.py in <module>
      5 from .. import init
      6 from .. import nonlinearities
----> 7 from ..utils import as_tuple, floatX, int_types
      8 from ..random import get_rng
      9 from .base import Layer, MergeLayer

ImportError: cannot import name 'int_types' from 'lasagne.utils' (D:\anaconda\lib\site-packages\lasagne\utils.py)