title: tensorflow.keras.layers: ImportError: cannot import name 'CuDNNLSTM'
body: <p>Please I tried importing CuDnnLSTM from <strong>tensorflow.keras.layers</strong> to increase my training speed but got this error. I know similar question has been asked by a user with Keras 2.0.8 and python 3.5.</p>
  <p>My configuration is tensorflow version 2.0.0-beta1 and Python 3.6.10.</p>
  <p><strong>This is what I tried:</strong> from tensorflow.keras.layers import CuDNNLSTM</p>
  <p>And I got this error,
  <strong>ImportError</strong>: cannot import name 'CuDNNLSTM'</p>
  <p>Please any one has idea on how to fix this error? Thanks in advance!</p>