def on_tools_upgrade_item_triggered(self):
"""
Upgrade older bible databases.
"""
if not hasattr(self, 'upgrade_wizard'):
self.upgrade_wizard = BibleUpgradeForm(self.main_window,
self.manager, self)
# If the import was not cancelled then reload.
if self.upgrade_wizard.exec():
self.media_item.reload_bibles()
