message: Remove mistakenly passed dataset argument
diff: @@ -48,7 +48,7 @@ class LMDBDatasetTest(test_base.DatasetTestBase):
  num_repeats = 2
  dataset = lmdb_dataset_ops.LMDBDataset(filenames).repeat(num_repeats)
  - iterator = dataset.make_initializable_iterator(dataset)
  + iterator = dataset.make_initializable_iterator()
  init_op = iterator.initializer
  get_next = iterator.get_next()
  