code: def __getattr__(attr_name):
      import warnings
      from numpy.fft import _helper
  
      ret = getattr(_helper, attr_name, None)
      if ret is None:
          raise AttributeError(
              f"module 'numpy.fft.helper' has no attribute {attr_name}"
          )
      warnings.warn(
          "The numpy.fft.helper has been made private and renamed to "
          "numpy.fft._helper. All four functions exported by it (i.e. fftshift, "
          "ifftshift, fftfreq, rfftfreq) are available from numpy.fft. "
          f"Please use numpy.fft.{attr_name} instead.",
          DeprecationWarning,
          stacklevel=3,
      )
      return ret
  
label_desc: Use image node_id 1 for calling a global function with example usage: __getattr__(attr_name) and returns: ret