code: def test_show_versions(capsys):
      show_versions()
      out, err = capsys.readouterr()
  
      assert "python" in out
      assert "GEOS" in out
      assert "geopandas" in out
  
imports: from geopandas.tools._show_versions import _get_C_info, _get_deps_info, _get_sys_info, show_versions
label_desc: Use image node_id 4 for calling a global function with example usage: test_show_versions(capsys) without return types