Small adjustments on import spacing.

This is mostly the result of an internal cleanup and formatting pass.

PiperOrigin-RevId: 286600606
Change-Id: Ibcc5b919701fb71a17dd1c29d6d473cddb48464d

tensorflow/python/eager/context.py

@@ -23,6 +23,7 @@ import contextlib
 import copy
 import random
 import threading
+
 from absl import logging
 import numpy as np
 import six

tensorflow/python/eager/memory_tests/memory_test_util.py

@@ -21,6 +21,7 @@ from __future__ import print_function
 import collections
 import gc
 import time
+
 import six
 
 from tensorflow.python.eager import context

tensorflow/python/eager/remote.py

@@ -19,6 +19,7 @@ from __future__ import division
 from __future__ import print_function
 
 import copy
+
 from absl import logging
 
 from tensorflow.core.protobuf.tensorflow_server_pb2 import ServerDef