Ask questionsTF1 tf.image.resize_image does not work with unbatched variable size image anymore since 1.12

(Sorry for not adhering to the template, I can point to the problematic commit)

I use tf.image.resize_images to resize variable sized images in an unbatched manner, like so:

            tf.reshape(x, [-1, 100, 3]),

I.e. some images are 100x100, some 110x100 etc. Upon updating tensorflow I received the following error:

Traceback (most recent call last):
  File "", line 32, in __init__
  File "/mnt/HDD1/julian/anaconda3/envs/tensorflow/lib/python3.7/site-packages/tensorflow_core/python/ops/", line 1187, in resize_images
  File "/mnt/HDD1/julian/anaconda3/envs/tensorflow/lib/python3.7/site-packages/tensorflow_core/python/ops/", line 1053, in _resize_images_common
    new_height_const = size_const_as_shape.dims[0].value
TypeError: 'NoneType' object is not subscriptable

I investigated it and it seems that the commit f43d458a318d4d97298710654f1692f6e8364f82 is the culprit, introducing the following lines to

new_height_const = size_const_as_shape.dims[0].value
new_width_const = size_const_as_shape.dims[1].value


It is included since 1.12.1. Downgrading to 1.11 solved it for me. Might be a very special use case on a already deprecated function but I thought its worth reporting.


Answer questions hyeygit

The issue was that the line with the error was not v1/v2 TensorShape backwards compatible. It should be fixed at head now. I’ve verified it with tf-nightly version 2.3.0-dev20200515.

On older branches, we unfortunately need to wait until the next patch release to cherrypick it in (note: supported versions are 1.5, 2.0, 2.1, 2.2). If you need to work with TF versions >= 1.13 and <= 2.2, one interim possibility would be to build tf from source with the two liner fix.


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