message: Fix some keep_dims warnings in math_ops_tests
diff: @@ -105,7 +105,7 @@ class LogSumExpTest(test_util.TensorFlowTestCase):
  for dtype in [np.float16, np.float32, np.double]:
  x_np = np.random.rand(5, 5).astype(dtype)
  with self.test_session(use_gpu=True):
  - y_tf_np = math_ops.reduce_logsumexp(x_np, keep_dims=True).eval()
  + y_tf_np = math_ops.reduce_logsumexp(x_np, keepdims=True).eval()
  self.assertEqual(y_tf_np.ndim, x_np.ndim)
  y_np = log(np.sum(exp(x_np), keepdims=True))
  self.assertAllClose(y_tf_np, y_np)
  