class_docstr: Flips an input variable in reverse order along the given axis.
code: def check_type_forward(self, in_types):
      type_check._argname(in_types, ("x",))
      x_type = in_types[0]
  
      type_check.expect(x_type.ndim > 0)
      if self.axis >= 0:
          type_check.expect(x_type.ndim > self.axis)
      else:
          type_check.expect(x_type.ndim >= -self.axis)
  
file_path: chainer/chainer/functions/array/flip.py
imports: import six
  from chainer import backend
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 2 for calling the Flip obj's underlying member method code with example usage: obj.check_type_forward(in_types) without return types