@Override
  public MemberChooserObject getParentNodeDelegate() {
    final PyElement element = (PyElement)getPsiElement();
    final PyClass parent = PsiTreeUtil.getParentOfType(element, PyClass.class, false);
    assert (parent != null);
    return new PyMethodMember(parent);
  }
@Override
  public MemberChooserObject getParentNodeDelegate()