Adding a constraint for the setuptools version.

Amit Patankar · Amit Patankar · commit 02b7fa3dfe3e · 2018-06-06T14:04:40.000-07:00
diff --git a/tensorflow/tools/pip_package/setup.py b/tensorflow/tools/pip_package/setup.py
@@ -54,6 +54,7 @@
     'numpy >= 1.13.3',
     'six >= 1.10.0',
     'protobuf >= 3.4.0',
+    'setuptools <= 39.1.0',
     'tensorboard >= 1.8.0, < 1.9.0',
     'termcolor >= 1.1.0',
 ]
