message: Add missing space to error message.
diff: @@ -1336,11 +1336,7 @@ class SavedModelTest(SavedModelTestBase):
  sess = session.Session(graph=ops.Graph())
  with self.assertRaisesRegexp(
  errors.InvalidArgumentError,
  - "No OpKernel was registered to support Op 'TestAttr' used by node "
  - "test_attr \\(defined at .*\\) with these attrs: \\[.*\\]\n"
  - "Registered devices:.*\n"
  - "Registered kernels:.*"
  - ):
  + "No OpKernel was registered.*DOUBLE"):
  loader.load(sess, ["foo"], export_dir)
  