AttributeError: 'NoneType' object has no attribute 'global_worker' code example

Example 1: AttributeError: module 'tensorflow' has no attribute 'GraphDef'

tf.compat.v1.GraphDef()   # -> instead of tf.GraphDef()
tf.compat.v2.io.gfile.GFile()   # -> instead of tf.gfile.GFile()

Example 2: AttributeError: module 'tensorflow' has no attribute 'gfile'

import tensorflow.compat.v1 as tf