code: def __call__(self, x):
      return self.new_tensor([x], x.shape)
  
file_path: mars/mars/tensor/fft/ifftshift.py
imports: import numpy
  from ...None import opcodes
  from ..datasource import tensor
  from .core import TensorFFTShiftMixin, TensorFFTShiftBase
label_desc: Use image node_id 4 for calling the TensorIFFTShift obj's underlying member method code with example usage: obj.__call__(x) and returns: self