fix import order for utils_tf
@@ -6,19 +6,20 @@ from __future__ import unicode_literals
from distutils.version import LooseVersion
import logging
import math
-import numpy as np
import os
+import time
+import warnings
+
+import numpy as np
from six.moves import xrange
import tensorflow as tf
from tensorflow.python.client import device_lib
-import time
-import warnings
-from .utils import batch_indices, _ArgsWrapper, create_logger
from cleverhans.compat import reduce_sum, reduce_mean
from cleverhans.compat import reduce_max, reduce_min
from cleverhans.compat import reduce_any
from cleverhans.compat import softmax_cross_entropy_with_logits
+from cleverhans.utils import batch_indices, _ArgsWrapper, create_logger
_logger = create_logger("cleverhans.utils.tf")
_logger.setLevel(logging.INFO)
