code: def dummy_dict():
      """Return a dict of dicts"""
      return {
          1: {1.1: "1.1.1", 1.2: {"1.2.1": {}, "1.2.2": "1.2.2.1"}},
          2: {2.1: "2.1.1", 2.2: {}},
          3: {},
      }
  
imports: import itertools
  import textwrap
  import pytest
  from orion.core.io.space_builder import SpaceBuilder
  from orion.core.utils.format_terminal import format_algorithm, format_commandline, format_config, format_dict, format_identification, format_info, format_list, format_metadata, format_refers, format_space, format_stats, format_title, get_trial_params
  from orion.core.worker.experiment import ExperimentStats
  from orion.core.worker.trial import Trial
label_desc: Use image node_id 2 for calling a global function with example usage: dummy_dict() and returns: dict