How to resolve: AttributeError: module ‘tensorflow’ has no attribute ‘placeholder’

Issue

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• As tensorflow has been updated to 2.x, it no longer supports tf.placeholder.

• the code above will raise an error that placeholder cannot be found.

There are two ways to get around this issue.

Solution 1: to follow the update scheme of Tensorflow 2.0

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First method is apply changes in Tensorflow 2.0. Please refer to the details on the update this link.

placeholder can be replaced by variable as shown below.

Solution 2: to use compatibility mode

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The second method is to disable the updated features in 2.0 by applying compatibility mode **. This can be implemented as following, then you will still be able to declare **tf.placeholder.