code: def _export(fn):
      __all__.append(fn.__name__)
  
      fn.__doc__ = fn.__doc__ + _common_doc
      return fn
  
file_path: TorchDrift/torchdrift/data/functional/corruption_functions.py
imports: from torch import Tensor
  import torch
  import math
  import torchdrift.utils
label_desc: Use image node_id 1 for calling a global function with example usage: _export(fn) and returns: fn