code: def test_dry_run_without_vocabulary_key(self):
      dry_run_from_params(self.params, self.TEST_DIR)
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  import argparse
  import os
  import pytest
  from allennlp.common import Params
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.commands.dry_run import DryRun, dry_run_from_args, dry_run_from_params
  from allennlp.data import Vocabulary
  from allennlp.common.checks import ConfigurationError
  from io import open
label_desc: Use image node_id 3 for calling the TestDryRun obj's underlying member method code with example usage: obj.test_dry_run_without_vocabulary_key() without return types