def deleteModel(self):
if self.currentRow() != -1:
dial = QtGui.QMessageBox()
dial.setText(u"Delete selected package?")
dial.setWindowTitle("Caution!")
dial.setIcon(QtGui.QMessageBox.Question)
dial.addButton('No', QtGui.QMessageBox.RejectRole)
usunT = dial.addButton('Yes', QtGui.QMessageBox.YesRole)
dial.exec_()
if dial.clickedButton() == usunT:
self.deleteRow(self.currentRow())
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