pessi-v

from kivy.app import App
from kivy.uix.widget import Widget
from kivy.core.window import Window
from kivy.uix.button import Button
from kivy.uix.popup import Popup
from kivy.uix.rst import RstDocument


class MyButton(Button):

pessi-v

from kivy.app import App
from kivy.uix.widget import Widget
from kivy.core.window import Window
from kivy.uix.button import Button


class RSTApp(App):
    pass

class MyButton(Button):