code: def __init__(self, n=None, axis=-1, norm=None, **kw):
      super().__init__(_n=n, _axis=axis, _norm=norm, **kw)
  
file_path: mars/mars/tensor/fft/fft.py
imports: import numpy
  from ...None import opcodes
  from ..datasource import tensor
  from .core import TensorComplexFFTMixin, validate_fft, TensorStandardFFT
label_desc: Use image node_id 1 to create a new TensorFFT object from inherited base classes: TensorStandardFFT, TensorComplexFFTMixin with example: obj = TensorFFT(n, axis, norm)