code: def testPickleable(self):
      for error_code in [
          errors.CANCELLED,
          errors.UNKNOWN,
          errors.INVALID_ARGUMENT,
          errors.DEADLINE_EXCEEDED,
          errors.NOT_FOUND,
          errors.ALREADY_EXISTS,
          errors.PERMISSION_DENIED,
          errors.UNAUTHENTICATED,
          errors.RESOURCE_EXHAUSTED,
          errors.FAILED_PRECONDITION,
          errors.ABORTED,
          errors.OUT_OF_RANGE,
          errors.UNIMPLEMENTED,
          errors.INTERNAL,
          errors.UNAVAILABLE,
          errors.DATA_LOSS,
      ]:
          # pylint: disable=protected-access
          exc = errors_impl._make_specific_exception(
              None, None, None, error_code
          )
          # pylint: enable=protected-access
          unpickled = pickle.loads(pickle.dumps(exc))
          self.assertEqual(exc.node_def, unpickled.node_def)
          self.assertEqual(exc.op, unpickled.op)
          self.assertEqual(exc.message, unpickled.message)
          self.assertEqual(exc.error_code, unpickled.error_code)
  
imports: import gc
  import pickle
  import warnings
  from tensorflow.core.lib.core import error_codes_pb2
  from tensorflow.python.framework import _errors_test_helper
  from tensorflow.python.framework import c_api_util
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.lib.io import _pywrap_file_io
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 6 for calling the ErrorsTest obj's underlying member method code with example usage: obj.testPickleable() without return types