@Override
  public void visitPyDecorator(@NotNull PyDecorator decorator) {
    super.visitPyDecorator(decorator);
    if (PsiTreeUtil.getChildOfType(decorator, PsiErrorElement.class) == null && decorator.getQualifiedName() == null) {
      registerForAllMatchingVersions(level -> level.isOlderThan(LanguageLevel.PYTHON39) && registerForLanguageLevel(level),
                                     PyPsiBundle.message("INSP.compatibility.feature.support.arbitrary.expressions.as.decorator"), decorator);
    }
  }
@Override
  public void visitPyDecorator(@NotNull PyDecorator decorator)