class_docstr: Function that splits multiple arrays along the specified axis.
code: def forward_chainerx(self, inputs):
      (x,) = inputs
      return tuple(
          chainerx.split(x, self.indices_or_sections, self.axis)
      )
  
imports: import numpy
  import six
  import chainer
  from chainer import backend
  from chainer.backends import intel64
  from chainer import function_node
  from chainer.utils import collections_abc
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 4 for calling the SplitAxis obj's underlying member method code with example usage: obj.forward_chainerx(inputs) and returns: tuple