Broken imagenet script in slim

Prerequisites

Please answer the following questions for yourself before submitting an issue.

• I am using the latest TensorFlow Model Garden release and TensorFlow 2.
• I am reporting the issue to the correct repository. (Model Garden official or research directory)
• I checked to make sure that this issue has not already been filed.

1. The entire URL of the file you are using

https://github.com/tensorflow/models/tree/master/research/slim/BUILD

2. Describe the bug

The provided instruction to download the imagenet dataset with the provided scripts are broken. When attempting to build it with bazel, the following error rises:

(tf1-slim) D:\DL\datasets\ILSVRC2012\bazel_preprocess>bazel build :download_and_convert_imagenet

ERROR: Skipping ':download_and_convert_imagenet': error loading package '': Label '//devtools/python/blaze:pytype.bzl' is invalid because 'devtools/python/blaze' is not a package; perhaps you meant to put the colon here: '//:devtools/python/blaze/pytype.bzl'?

WARNING: Target pattern parsing failed.

ERROR: error loading package '': Label '//devtools/python/blaze:pytype.bzl' is invalid because 'devtools/python/blaze' is not a package; perhaps you meant to put the colon here: '//:devtools/python/blaze/pytype.bzl'?

INFO: Elapsed time: 0.155s

INFO: 0 processes.

FAILED: Build did NOT complete successfully (1 packages loaded)

3. Steps to reproduce

1. Pull the repo
2. bazel build :download_and_convert_imagenet

6. System information

• Both Windows 10 and Fedora
• TensorFlow installed from conda
• TensorFlow version 1.14
• Python version 3.6 and 3.7
• Bazel version 3.1.0 (from conda)