code: def test_get_returns_the_registered_instance(self) -> None:
      serializer = onnx.serialization.registry.get("onnxtext")
      self.assertIs(serializer, self.serializer)
  
file_path: onnx/onnx/test/serialization_test.py
imports: import os
  import tempfile
  import unittest
  import onnx
label_desc: Use image node_id 2 for calling the TestRegistry obj's underlying member method code with example usage: obj.test_get_returns_the_registered_instance() without return types