QTableView column resize issue

#include <QApplication>

#include <QMainWindow>
#include <QVBoxLayout>
#include <QHeaderView>
#include <QTableView>
#include <QAbstractTableModel>

class Model: public QAbstractTableModel {
public:
    int rowCount(const QModelIndex &) const override {
        return 2;
    }
    int columnCount(const QModelIndex &) const  override {
        return 3;
    }
    QVariant data(const QModelIndex &index, int role) const  override {
        if (!index.isValid())
            return QVariant();
        if (role = Qt::DisplayRole)
            return QString("Data");
        return QVariant();
    }
};

int main(int argc, char *argv[]) {
    QApplication a(argc, argv);

    QWidget *pw = new QWidget();
    QVBoxLayout *pl = new QVBoxLayout(pw);
    QTableView *pv = new QTableView(pw);
    pl->addWidget(pv);

    pv->setModel(new Model);
    pv->horizontalHeader()->setCascadingSectionResizes(true); // this causes problem
    pv->hideColumn(1);

    pw->show();

    return a.exec();
}