Добавление и изменение элементов таблицы SQL (PyQt5)

import sqlite3
from PyQt5.QtWidgets import QApplication, QMainWindow, QTableWidgetItem, QWidget
from PyQt5 import uic
from sys import argv, exit
 
 
class Coffee(QMainWindow):
    def __init__(self):
        super().__init__()
        uic.loadUi('main.ui', self)
        self.con = sqlite3.connect('coffee.db')
        self.edit_btn.clicked.connect(self.add_and_edit)
        self.load_table()
 
    def load_table(self):
        while self.coffeetable.rowCount() > 0:
            self.coffeetable.removeRow(0)
 
        cur = self.con.cursor()
        result = cur.execute("Select * FROM about").fetchall()
        self.coffeetable.setRowCount(len(result))
        self.coffeetable.setColumnCount(len(result[0]))
        self.titles = [description[0] for description in cur.description]
        self.coffeetable.setHorizontalHeaderLabels(self.titles)
        for i, elem in enumerate(result):
            for j, val in enumerate(elem):
                if j == 2:
                    val = cur.execute(f'SELECT degree FROM fryings WHERE id LIKE {val}').fetchall()[0][0]
                elif j == 3:
                    val = cur.execute(f'SELECT name FROM states WHERE id LIKE {elem[3]}').fetchall()[0][0]
                self.coffeetable.setItem(i, j, QTableWidgetItem(str(val)))
        self.coffeetable.resizeColumnsToContents()
 
    def add_and_edit(self):
        self.menu = EditMenu()
        self.menu.show()
 
 
class EditMenu(QWidget):
    def __init__(self):
        super().__init__()
        uic.loadUi('addEditCoffeeForm.ui', self)
        self.con = sqlite3.connect('coffee.db')
        self.s = self.con.cursor().execute("Select * FROM about").fetchall()
        self.id_input.setMaximum(len([i for i in self.s]) + 1)
        self.confirm_button.clicked.connect(self.editing)
 
    def editing(self):
        if len(self.s) >= int(self.id_input.text()):
            self.con.cursor().execute(
                f"UPDATE about SET\nname='{self.name_input.text()}'\nWHERE id='{self.id_input.text()}'")
            self.con.cursor().execute(
                f"UPDATE about SET\nfrying='{self.frying_input.text()}'\nWHERE id='{self.id_input.text()}'")
            self.con.cursor().execute(
                f"UPDATE about SET\nstate='{self.state_input.text()}'\nWHERE id='{self.id_input.text()}'")
            self.con.cursor().execute(
                f"UPDATE about SET\ndescription='{self.decribe_input.toPlainText()}'\nWHERE id='{self.id_input.text()}'")
            self.con.cursor().execute(
                f"UPDATE about SET\nprice='{self.price_input.text()}'\nWHERE id='{self.id_input.text()}'")
            self.con.cursor().execute(
                f"UPDATE about SET\nvolume='{self.volume_input.text()}'\nWHERE id='{self.id_input.text()}'")
            self.con.commit()
        else:
            s = f"""INSERT INTO about 
            VALUES ({int(self.id_input.text())}, '{self.name_input.text()}', {int(self.frying_input.text())},
{int(self.state_input.text())}, '{self.decribe_input.toPlainText()}',
'{self.price_input.text()} ₽','{self.volume_input.text()} г')"""
            self.con.cursor().execute(s)
            self.con.commit()
        Coffee()
        self.close()
 
 
if __name__ == '__main__':
    app = QApplication(argv)
    ex = Coffee()
    ex.show()
    exit(app.exec())