code: def col2im_nd(col, stride, pad, dims, dilate=1):
      fn = (
          col2im_nd_gpu
          if isinstance(col, cuda.ndarray)
          else col2im_nd_cpu
      )
      return fn(col, stride, pad, dims, dilate)
  
file_path: chainer/chainer/utils/conv_nd.py
imports: import itertools
  import numpy
  import six
  from chainer.backends import cuda
  from chainer.utils.conv import get_conv_outsize
  from chainer.utils import conv_nd_kernel
label_desc: Use image node_id 7 for calling a global function with example usage: col2im_nd(col, stride, pad, dims, dilate) and returns: fn