code: def config() -> Config:
      """Returns current active config."""
      assert (
          __config is not None
      ), "__config is None. This should never happen."
      return __config
  
imports: import contextlib
  import os
  from dataclasses import dataclass, field, replace
  from typing import Any, Dict, Generator, List, Mapping, Optional, Union
  import numpy
  import tabulate
  import tensorflow
  import tensorflow_probability
label_desc: Use image node_id 10 for calling a global function with example usage: config() and returns: __config