kywthiha

import sys
from PyQt5.QtWidgets import QTableWidget, QApplication, QMainWindow


class MyTable(QTableWidget):
    def __init__(self, r, c):
        super().__init__(r, c)

        self.show()

kywthiha

import sys
from PyQt5.QtWidgets import QTableWidget, QApplication, QMainWindow, QTableWidgetItem


class MyTable(QTableWidget):
    def __init__(self, r, c):
        super().__init__(r, c)
        self.init_ui()

    def init_ui(self):

kywthiha

import sys
import os
import csv
from PyQt5.QtWidgets import QTableWidget, QApplication, QMainWindow, QTableWidgetItem, QFileDialog


class MyTable(QTableWidget):
    def __init__(self, r, c):
        super().__init__(r, c)
        self.check_change = True