import sys

from PyQt5.QtWidgets import QApplication, QMainWindow, QTableView


class MainWindow(QMainWindow):

    def __init__(self):
        super().__init__()
        self.table = QTableView()

        # self.model = ?
        # self.table.setModel(self.model)

        self.setCentralWidget(self.table)


app = QApplication(sys.argv)
window = MainWindow()
window.show()
sys.exit(app.exec_())