Как или где переобъявить объекты, чтобы потом смочь обращаться к ним?

from PyQt5 import QtCore, QtGui, QtWidgets
import main1
 
class Ui_MainWindow(object):
 
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(500, 400)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.btn1 = QtWidgets.QPushButton(self.centralwidget)
        self.btn1.setGeometry(QtCore.QRect(130, 70, 91, 23))
        self.btn1.setObjectName("btn1")
 
 
        self.combo1 = QtWidgets.QComboBox(self.centralwidget)
        self.combo1.addItems(main1.getYears(self))
        self.combo1.setGeometry(QtCore.QRect(10, 0, 69, 22))
        self.combo1.setEditable(True)
        self.combo1.setObjectName("combo1")
        self.readCombo1 = self.combo1.currentText()
 
 
        self.combo2 = QtWidgets.QComboBox(self.centralwidget)
        self.combo2.addItems(main1.getYears(self))
        self.combo2.setGeometry(QtCore.QRect(140, 0, 69, 22))
        self.combo2.setEditable(True)
        self.combo2.setObjectName("combo2")
 
 
        self.combo3 = QtWidgets.QComboBox(self.centralwidget)
        self.combo3.addItems(main1.initNames(self))
        self.combo3.setGeometry(QtCore.QRect(270, 0, 69, 22))
        self.combo3.setEditable(True)
        self.combo3.setObjectName("combo3")
 
 
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 347, 21))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)
 
        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)
 
    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
        self.btn1.setText(_translate("MainWindow", "Show Diagram"))

import sys
 
import self
from PyQt5 import QtWidgets
import name
from main1 import initUI
from main1 import getYears
from main1 import initUX
 
 
class ExampleApp(QtWidgets.QMainWindow, name.Ui_MainWindow):
    def __init__(self):
        super().__init__()
        self.setupUi(self)
 
 
def main():
    app = QtWidgets.QApplication(sys.argv)
    act = getYears(self)
    act1 = initUX(provinceN=input("enter province: "))
 
    window = ExampleApp()
    window.show()
    app.exec_()
    readCombo1 = name.combo1
    print(readCombo1)
 
 
if __name__ == '__main__':
    main()

import csv
from itertools import groupby
import pandas as pd
from pandas import DataFrame
 
from window import initUI
 
 
class Actions:
 
    def initUI(self):
        A = []
        with open("venv/vhi_id_crimea.csv", newline='')as csvfile:
            reader = csv.reader(csvfile, delimiter=",")
            for column in reader:
                A.append(column[0])
            ###
 
            new_x = [el for el, _ in groupby(A)]
            return new_x
 
 
def getYears(self):
    D = tuple(initUI())
    return D
 
 
def initUX(provinceN):
    data = pd.read_csv("venv/vhi_id_" + provinceN + ".csv", nrows=52, index_col=False, header=None)
    # df = DataFrame(data, columns=['1, 2, 3, 4, 5, 6, 7'])
    df = data
    print(df)
 
 
def initNames(self):
    provinces = (
        "cherkassy", "chernihiv", "chernivtsi", "crimea", "dnipropetrovsk", "donetsk", "ivano-fr", "kharkiv",
        "kherson", "khmelnytsky", "kiev", "kiev-city", "kirovohrad", "luhansk", "lviv", "mykolaiv", "odessa",
        "poltava",
        "rivne", "sevastopol", "sumy", "ternopil", "transcarpatia", "vinnytsya", "volyn", "zaporizhia",
        "zhytomyr")
    return provinces