code: def is_validation_enabled():
      return _VALIDATION_ENABLED
  
imports: import copy
  import ctypes
  import functools
  import numbers
  import weakref
  from contextlib import contextmanager
  import torch
  import torch.distributions
  from torch import logsumexp
  from torch.distributions.utils import broadcast_all
  from pyro.util import ignore_jit_warnings
  from ..None import settings
label_desc: Use image node_id 15 for calling a global function with example usage: is_validation_enabled() and returns: _VALIDATION_ENABLED