module 'keras.api._v2.keras.layers' has no attribute 'LaDainyer'

[Cherryblossom1994]

Hi
When I try to execute the code, I encounter the following call error.
Thank you.
Help me.

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AttributeError Traceback (most recent call last)

in ()
15 #---------------USE DAIN-----------------
16 #Adaptive Input Normalization layer
---> 17 from dain import Dain

/content/drive/MyDrive/real-------------/dain.py in ()
4
5
----> 6 class Dain(layers.LaDainyer):
7 def init(self, dim, n_features, name="dain", **kwargs):
8 # input tensor: (batch_size, rows, n_features)

AttributeError: module 'keras.api._v2.keras.layers' has no attribute 'LaDainyer'