module 'tensorflow.python.keras.api._v1.keras.preprocessing' has no attribute 'image_dataset_from_directory'
# The specific function (tf.keras.preprocessing.image_dataset_from_directory) is not available under TensorFlow v2.1.x or v2.2.0 yet. It is only available with the tf-nightly builds and is existent in the source code of the master branch.
# https://www.tensorflow.org/api_docs/python/tf/keras/preprocessing/image_dataset_from_directory
# For more information about installing nightly builds of TensorFlow, you can refer to https://www.tensorflow.org/install or use
# pip install tf-nightly