class_docstr_tok: []
code: def __init__(self, lower=True):
      self.lower = lower
      self.destructive = False
  
imports: from __future__ import absolute_import, print_function, division
  import logging
  import warnings
  from six.moves import xrange
  import numpy
  from theano import tensor
  import theano.tensor
  from theano.tensor import as_tensor_variable
  from theano.gof import Op, Apply
label_desc: Use image node_id 1 to create a new CholeskyGrad object from inherited base classes: Op with example: obj = CholeskyGrad(lower)