PyQt4toPyQt5

import sys, sqlite3, time
from PyQt4 import QtGui, QtCore
from PyQt4.QtSql import QSqlQueryModel,QSqlDatabase,QSqlQuery
_fromUtf8 = QtCore.QString.fromUtf8


class Window(QtGui.QMainWindow):
    def __init__(self):
        super(Window, self).__init__()
        self.setFixedSize(758,610)
        self.setWindowTitle('Lottery')

        self.statusBar()
        self.home()

    def home(self):
        self.danasnjiDatum = time.strftime('%Y-%m-%d')
        btn = QtGui.QPushButton("Izlaz",self)
        btn.move(10,200)
        btn.clicked.connect(self.test)

        self.label3 = QtGui.QLabel('Option:',self)
        self.label3.move(10,20)
        self.comboBox = QtGui.QComboBox(self)
        self.comboBox.addItem('--')
        self.comboBox.addItem("Two number pairs")
        self.comboBox.addItem("Last time each pair came as a result...")
        self.comboBox.addItem("Pairs never drawn together")
        self.comboBox.addItem("Group 1-39")
        self.comboBox.addItem("Group ")
        self.comboBox.move(10,60)
        self.comboBox.resize(150,30)

        # Criteria
        self.label4 = QtGui.QLabel('Criteria:',self)
        self.label4.move(170,20)
        self.label4.resize(110,30)

        self.input = QtGui.QLineEdit(self)
        self.input.move(170, 60)
        self.input.resize(150,30)



        self.calculate = QtGui.QPushButton("Calculate",self)
        self.calculate.move(330,59)
        self.calculate.resize(100,32)
        self.calculate.clicked.connect(self.test)


        self.projectView = QtGui.QTreeWidget(self)
        self.projectView.setObjectName("projectView")
        self.projectView.headerItem().setText(0, "")
        self.projectView.move(10,100)
        self.projectView.resize(738,500)


        self.show()
    def test(self):
        print self.comboBox.currentText()


def run():
    app = QtGui.QApplication(sys.argv)
    GUI = Window()

    app.exec_()
run()