fix import order for mnist_tutorial_picklable.py
@@ -7,10 +7,11 @@ from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
+import logging
+
import numpy as np
import tensorflow as tf
from tensorflow.python.platform import flags
-import logging
from cleverhans.loss import CrossEntropy
from cleverhans.utils_mnist import data_mnist
