code: def test_get_raises_for_unsupported_format(self) -> None:
      with self.assertRaises(ValueError):
          onnx.serialization.registry.get("unsupported")
  
file_path: onnx/onnx/test/serialization_test.py
imports: import os
  import tempfile
  import unittest
  import onnx
label_desc: Use image node_id 3 for calling the TestRegistry obj's underlying member method code with example usage: obj.test_get_raises_for_unsupported_format() without return types