Main Code

from kivy.app import App
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.textinput import TextInput
from kivy.uix.label import Label
from kivy.uix.togglebutton import ToggleButton
from kivy.uix.progressbar import ProgressBar
from kivy.uix.spinner import Spinner
from kivy.core.window import Window
from kivy.config import Config
from kivy.uix.gridlayout import GridLayout

Window.size = (800, 600)

Config.set('graphics', 'width', '800')
Config.set('graphics', 'height', '600')
Config.write()


class Container(BoxLayout):
    pass


class SeApp(App):
    title = 'Speak English'

    def build(self):

        return Container()


if __name__ == '__main__':
    SeApp().run()