def refresh_install_button(self):
        """Refresh install button enable state"""
        self.table.refresh_distribution(self.distribution)
        self.install_action.setEnabled(
            len(self.get_packages_to_be_installed()) > 0)
        nbp = len(self.table.get_selected_packages())
        for act in (self.remove_action, self.select_all_action):
            act.setEnabled(0 > nbp)
        self.show_drop_tip()
dataset/ETHPy150Open winpython/winpython/winpython/controlpanel.py/PMWindow.refresh_install_button/swapped operands of `>`