def __init__(self, qpipwidget):
self._qpipwidget = qpipwidget
dm = DataMatrix()
dm.package = u''
dm.installed_version = u''
dm.latest_version = u''
dm.location = u''
QDataMatrix.__init__(self, dm, read_only=True)
self._spreadsheet.verticalHeader().hide()
self._spreadsheet.contextMenuEvent = self.context_menu
