code: def __call__(self, *args, **kwargs):
      return self._method(*args, **kwargs)
  
file_path: mars/mars/tensor/ufunc/ufunc.py
imports: from numbers import Number
  import numpy
  from ..datasource import tensor
  from ..None import arithmetic, reduction
label_desc: Use image node_id 2 for calling the TensorUfuncDef obj's underlying member method code with example usage: obj.__call__() and returns: self