tree 10b6e663b0d61eec52b26c5376ae5685c7579652
parent 6f09856eaf6d925067e5855b51194be53115f29b
author Thomas O'Malley <omalleyt@google.com> 1582831788 -0800
committer TensorFlower Gardener <gardener@tensorflow.org> 1582832100 -0800

Replace len(shape) with shape.rank since length of an unknown rank
TensorShape is undefined.

PiperOrigin-RevId: 297646567
Change-Id: I3d830ab61e9872e40f195d166554fc3e74662f5d