code: def test_release_version_unchanged(self) -> None:
      assert buv._base_version_helper("0.2.3") == "0.2.3"
      assert buv._base_version_helper("1.2.3") == "1.2.3"
  
file_path: bokeh/tests/unit/bokeh/util/test_version.py
imports: from __future__ import annotations
  import pytest
  import re
  from unittest import mock
  import bokeh.util.version
label_desc: Use image node_id 1 for calling the Test__base_version_helper obj's underlying member method code with example usage: obj.test_release_version_unchanged() without return types