Move library 'gradient_checker' out of kernel_tests/ into ops/.

Change: 125460867

tensorflow/python/BUILD

@@ -29,12 +29,12 @@ py_library(
         ":client_testlib",
         ":framework",
         ":framework_test_lib",
+        ":gradient_checker",
         ":platform",
         ":platform_test",
         ":summary",
         ":training",
         "//tensorflow/contrib:contrib_py",
-        "//tensorflow/python/kernel_tests:gradient_checker",
     ],
 )
 
@@ -856,6 +856,18 @@ py_library(
     ],
 )
 
+py_library(
+    name = "gradient_checker",
+    srcs = [
+        "ops/gradient_checker.py",
+    ],
+    srcs_version = "PY2AND3",
+    deps = [
+        ":framework",
+        ":ops",
+    ],
+)
+
 py_library(
     name = "training",
     srcs = glob(

tensorflow/python/kernel_tests/BUILD

@@ -13,12 +13,6 @@ licenses(["notice"])  # Apache 2.0
 load("//tensorflow:tensorflow.bzl", "py_tests")
 load("//tensorflow:tensorflow.bzl", "cuda_py_tests")
 
-py_library(
-    name = "gradient_checker",
-    srcs = ["gradient_checker.py"],
-    srcs_version = "PY2AND3",
-)
-
 py_tests(
     name = "cpu_only_kernel_tests",
     size = "small",
@@ -109,7 +103,6 @@ cuda_py_tests(
         "functional_ops_test.py",
         "gather_nd_op_test.py",
         "gather_op_test.py",
-        "gradient_checker_test.py",
         "gradient_correctness_test.py",
         "init_ops_test.py",
         "linalg_ops_test.py",

tensorflow/python/ops/gradient_checker_test.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 # ==============================================================================
 
-"""Tests for tensorflow.kernels.gradient_checker."""
+"""Tests for tf.test.compute_gradient and tf.compute_gradient_error."""
 from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function

tensorflow/python/platform/test.py

@@ -67,8 +67,8 @@ from tensorflow.python.util.all_util import make_all
 from tensorflow.python.framework.test_util import TensorFlowTestCase as TestCase
 from tensorflow.python.framework.test_util import assert_equal_graph_def
 
-from tensorflow.python.kernel_tests.gradient_checker import compute_gradient_error
-from tensorflow.python.kernel_tests.gradient_checker import compute_gradient
+from tensorflow.python.ops.gradient_checker import compute_gradient_error
+from tensorflow.python.ops.gradient_checker import compute_gradient
 # pylint: enable=unused-import
 
 

tensorflow/tensorflow.bzl

@@ -689,7 +689,7 @@ def tf_py_test(name, srcs, size="medium", data=[], main=None, args=[],
       data=data,
       deps=[
           "//tensorflow/python:extra_py_tests_deps",
-          "//tensorflow/python/kernel_tests:gradient_checker",
+          "//tensorflow/python:gradient_checker",
       ] + additional_deps,
       srcs_version="PY2AND3")