code: def test_initialize_weights_from_archive(self):
      original_model_parameters = self.model.named_parameters()
      original_model_weights = dict(
          (name, parameter.data.clone().numpy())
          for name, parameter in original_model_parameters
      )
      # pylint: disable=line-too-long
      mml_model_archive_file = (
          self.FIXTURES_ROOT
          / "semantic_parsing"
          / "nlvr_direct_semantic_parser"
          / "serialization"
          / "model.tar.gz"
      )
      archive = load_archive(mml_model_archive_file)
      archived_model_parameters = archive.model.named_parameters()
      self.model._initialize_weights_from_archive(archive)
      changed_model_parameters = dict(self.model.named_parameters())
      for name, archived_parameter in archived_model_parameters:
          archived_weight = archived_parameter.data.numpy()
          original_weight = original_model_weights[name]
          changed_weight = changed_model_parameters[name].data.numpy()
          # We want to make sure that the weights in the original model have indeed been changed
          # after a call to ``_initialize_weights_from_archive``.
          with self.assertRaises(
              AssertionError, msg="{name} has not changed"
          ):
              assert_almost_equal(original_weight, changed_weight)
          # This also includes the sentence token embedder. Those weights will be the same
          # because the two models have the same vocabulary.
          assert_almost_equal(archived_weight, changed_weight)
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  from numpy.testing import assert_almost_equal
  import torch
  from allennlp.common import Params
  from allennlp.common.testing import ModelTestCase
  from allennlp.data import Vocabulary
  from allennlp.data.iterators import EpochTrackingBucketIterator
  from allennlp.models import Model
  from allennlp.models.archival import load_archive
label_desc: Use image node_id 7 for calling the NlvrCoverageSemanticParserTest obj's underlying member method code with example usage: obj.test_initialize_weights_from_archive() without return types