code: def _unpack_tuple(x):
      """Unpacks one-element tuples for use as return values"""
      if len(x) == 1:
          return x[0]
      else:
          return x
  
imports: import functools
  import warnings
  from typing import NamedTuple
  import numpy
  from numpy._core import overrides
label_desc: Use image node_id 3 for calling a global function with example usage: _unpack_tuple(x) and returns: x, x