code: def test_showversions_nover(capsys):
      import tslumen
  
      tslumen.CORE_DEPENDENCIES = ["tslumen.profile"]
      tslumen.show_versions()
      captured = capsys.readouterr().out
      assert "tslumen.profile" in captured
      assert "cannot determine version" in captured
  
imports: import mock
  from pkg_resources import DistributionNotFound
  from importlib import reload
label_desc: Use image node_id 5 for calling a global function with example usage: test_showversions_nover(capsys) without return types