code: def __call__(self, chunk_size=None):
      shape = (self.n,)
      return self.new_tensor(
          None,
          shape,
          raw_chunk_size=chunk_size,
          order=TensorOrder.C_ORDER,
      )
  
imports: import numpy
  from ...None import opcodes
  from ...core import NotSupportTile, recursive_tile
  from ...serialization.serializables import Int32Field, Float64Field, KeyField
  from ..operands import TensorOperand, TensorHasInput, TensorOperandMixin
  from ..datasource import arange
  from ..core import TensorOrder
label_desc: Use image node_id 4 for calling the TensorFFTFreq obj's underlying member method code with example usage: obj.__call__(chunk_size) and returns: self