fix imports for attacks tf
@@ -4,17 +4,18 @@ from __future__ import print_function
from __future__ import unicode_literals
import copy
+import warnings
+
import numpy as np
from six.moves import xrange
import tensorflow as tf
-import warnings
-from . import utils_tf
-from . import utils
from cleverhans.compat import reduce_max, reduce_min
from cleverhans.compat import reduce_mean, reduce_sum
from cleverhans.compat import reduce_any
-from . import loss as loss_module
+from cleverhans import loss as loss_module
+from cleverhans import utils_tf
+from cleverhans import utils
_logger = utils.create_logger("cleverhans.attacks.tf")
