code: def check_type_forward(self, in_types):
      type_check._argname(in_types, ("a",))
      (a_type,) = in_types
  
      type_check.expect(
          a_type.dtype.kind == "f",
          a_type.ndim == 2,
      )
  
file_path: chainer/chainer/functions/math/cholesky.py
imports: import chainer
  from chainer import function_node
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 2 for calling the Cholesky obj's underlying member method code with example usage: obj.check_type_forward(in_types) without return types