Added six to setup.py; we dropped python2 support, but it's still used in quite a few places, so this is a quick fix. I'll remove the dependencies later
@@ -15,7 +15,8 @@ setup(name='cleverhans',
'tensorflow-probability',
'joblib',
'easydict',
- 'absl'
+ 'absl',
+ 'six'
],
extras_require={
'jax': ['jax>=0.2.9', 'jaxlib'],
