@Override
    protected @Nullable Query<? extends PsiElement> search(PsiElement elt, @NotNull TypeEvalContext context) {
      PsiElement parent = elt.getParent();
      return parent instanceof PyClass ? PyClassInheritorsSearch.search((PyClass)parent, true) : null;
    }
@Override
    protected @Nullable Query<? extends PsiElement> search(PsiElement elt, @NotNull TypeEvalContext context)