@Override
  protected @NotNull String getQualifiedName(PsiElement psiElement) {
    if (psiElement instanceof PyClass) {
      String name = ((PyClass)psiElement).getName();
      if (name != null) {
        return name;
      }
    }
    return "";
  }
@Override
  protected @NotNull String getQualifiedName(PsiElement psiElement)