class_docstr: Sum axes to output an array of a given shape.
code: def forward(self, inputs):
      (x,) = inputs
      return (utils.sum_to(x, self._shape),)
  
imports: import numpy
  import six
  import chainer
  from chainer import backend
  from chainer import function_node
  from chainer import utils
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 2 for calling the SumTo obj's underlying member method code with example usage: obj.forward(inputs) and returns: utils