Issue with gast

[josem789]

I installed tensorflow lattice with TF 2.3.0 but when trying to run I receive a conversion error and an attribute error "gast has no attribute 'Index'"

I tried to install three versions of tensorflow lattice (0.9.9, 2.0, and 2.0.8) but recieved the same error and I could not install an older version of gast (currently running 0.4.0) due to the dependencies of my current setup.

Please let me know if you have additional recommendations. Thank you!

[mmilanifard]

This might be TF installation/packaging issue, not directly related to TF Lattice. Try this code snippet to see if it triggers the same error (from here):

import tensorflow as tf

def temp(x):
  return tf.shape(x)[0]

tf.autograph.to_graph(temp)

If the above code fails, I suggest reinstalling TF in a clean/new virtual env, or maybe asking about the issue on the main TF repo.

[josem789]

Thank you, the above code failed. I have seen similar TF-gast issues posted online that may be addressed by installing the nightly build or an older build.

[menonnsl]

I face the same issue in

Tensorflow 2.4.1
gast 0.4.0

[innat]

For tf 2.0 to tf 2.4, use gast == 0.2.2. Otherwise, use tf 2.5 for gast == 0.4.0.