code: def _(f):
      return f
  
imports: from functools import reduce, singledispatch
  from typing import TYPE_CHECKING, FrozenSet, Tuple
  from typing_extensions import Self
  import pyro
  from pyro.distributions.distribution import COERCIONS
  from pyro.ops.linalg import ignore_torch_deprecation_warnings
  from pyro.poutine.runtime import _PYRO_STACK
  from pyro.poutine.trace_messenger import TraceMessenger
  from pyro.poutine.util import site_is_subsample
label_desc: Use image node_id 6 for calling a global function with example usage: _(f) and returns: f