Useful or not, from you.
tensorflow TF2.0 AutoGraph issue

OS:Ubuntu 18.04 TensorFlow Version:tensorflow-gpu == 2.0.0-rc0 issue:AutoGraph WARNING:tensorflow:Entity <function Function._initialize_uninitialized_variables.<locals>.initialize_variables at 0x7fd89803cef0> could not be transformed and will be executed as-is. Please report this to the AutoGraph team. When filing the bug, set the verbosity to 10 (on Linux, export AUTOGRAPH_VERBOSITY=10) and attach the full output. Cause: module 'gast' has no attribute 'Num' WARNING: Entity <function Function._initialize_uninitialized_variables.<locals>.initialize_variables at 0x7fd89803cef0> could not be transformed and will be executed as-is. Please report this to the AutoGraph team. When filing the bug, set the verbosity to 10 (on Linux, export AUTOGRAPH_VERBOSITY=10) and attach the full output. Cause: module 'gast' has no attribute 'Num' tf_env.txt

That's a useful answer
Without any help

You should add your code as well. I had the same Issue, but the cause was bug in my code, not of tensorflow.