def convert(self):
convert1 = self.comboBox.currentText()
final = self.comboBox_2.currentText()
if final == convert1:
self.ent_final.setText(self.ent_amount.text())
return
a = Model.API()
rate = a.convert_currecy(convert1, final, self.ent_amount.text())
self.ent_final.setText(str(rate))
