Fix build errors

tensorflow/python/eager/tensor_test.py

@@ -521,7 +521,7 @@ class TFETensorUtilTest(test_util.TensorFlowTestCase):
 
   @test_util.assert_no_new_pyobjects_executing_eagerly
   def testTensorDir(self):
-    t = array_ops.zeros(1)
+    t = array_ops.ones(1)
     t.test_attr = "Test"
 
     instance_dir = dir(t)

tensorflow/python/kernel_tests/sparse_xent_op_test.py

@@ -24,7 +24,6 @@ import time
 import numpy as np
 
 from tensorflow.core.protobuf import config_pb2
-from tensorflow.python.compat import compat
 from tensorflow.python.client import session
 from tensorflow.python.framework import constant_op
 from tensorflow.python.framework import dtypes

tensorflow/python/ops/nn_grad.py

@@ -19,10 +19,8 @@ from __future__ import division
 from __future__ import print_function
 
 from tensorflow.python.eager import backprop
-from tensorflow.python.eager import context
 from tensorflow.python.framework import dtypes
 from tensorflow.python.framework import ops
-from tensorflow.python.framework import tensor_util
 from tensorflow.python.ops import array_ops
 from tensorflow.python.ops import gen_nn_ops
 from tensorflow.python.ops import math_ops