code: def _fftn_dispatcher(a, s=None, axes=None, norm=None):
      return (a,)
  
imports: from __future__ import division, absolute_import, print_function
  import functools
  from numpy.core import array, asarray, zeros, swapaxes, shape, conjugate, take, sqrt
  from numpy.core.multiarray import normalize_axis_index
  from numpy.core import overrides
  from .None import fftpack_lite
  from .helper import _FFTCache
label_desc: Use image node_id 12 for calling a global function with example usage: _fftn_dispatcher(a, s, axes, norm) and returns: a