code: def test_function_body(self) -> None:
      self.assertEqual(
          type(defs.get_schema("Selu").function_body),
          onnx.FunctionProto,
      )
  
imports: import unittest
  from typing import Sequence
  import parameterized
  import onnx
  from onnx import defs
label_desc: Use image node_id 4 for calling the TestSchema obj's underlying member method code with example usage: obj.test_function_body() without return types