rm unused imports
@@ -3,20 +3,10 @@ from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
-import array
-import functools
-import gzip
-import operator
import os
-import struct
-import tempfile
-import sys
import warnings
-import numpy as np
-
from cleverhans import dataset
-from cleverhans import utils
utils_mnist_warning = "cleverhans.utils_mnist is deprecrated and will be " \
"removed on or after 2019-03-26. Switch to " \
