class_docstr: Flip array in the up/down direction.
code: def check_type_forward(self, in_types):
      type_check._argname(in_types, ("a",))
      a_type = in_types[0]
  
      type_check.expect(a_type.dtype.kind == "f", a_type.ndim >= 1)
  
file_path: chainer/chainer/functions/array/flipud.py
imports: from chainer import backend
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling the FlipUD obj's underlying member method code with example usage: obj.check_type_forward(in_types) without return types