Problem in module working with kivy. There is both of languages. The problem in the end and i didn`t understand it at all. Pls, can u help?

Question

Lsiko @Lsiko

Python
Kivy

Problem in module working with kivy. There is both of languages. The problem in the end and i didn`t understand it at all. Pls, can u help?

1-st is code
Сперва код

from kivy.app import App 

from kivy.uix.gridlayout import GridLayout 
from kivy.uix.button import Button
from kivy.uix.widget import Widget 
from kivy.uix.label import Label
from kivy.uix.boxlayout import BoxLayout

from kivy.config import Config
Config.set('graphics', 'resizable', 0)
Config.set('graphics', 'width', 400) # Ширина
Config.set('graphics', 'heith', 500)


class My(App):
	def build(self):

		bl = BoxLayout(orientation = 'vertical', padding = 25)
		gl = GridLayout(cols = 4, spacing = 3, size_hint = (1, .6))

		self.lbl = Label( text = '01234', font_size = 40, holign = 'right', size_hint = (1, .4))
		bl.add_widget( self.lbl )


		gl.add_widget( Button(text = '7'))
		gl.add_widget( Button(text = '8'))
		gl.add_widget( Button(text = '9'))
		gl.add_widget( Button(text = 'X'))

		gl.add_widget( Button(text = '4'))
		gl.add_widget( Button(text = '5'))
		gl.add_widget( Button(text = '6'))
		gl.add_widget( Button(text = '-'))

		gl.add_widget( Button(text = '1'))
		gl.add_widget( Button(text = '2'))
		gl.add_widget( Button(text = '3'))
		gl.add_widget( Button(text = '+'))

		gl.add_widget( text = '')
		gl.add_widget( Button(text = '0'))
		gl.add_widget( Button(text = '.'))
		gl.add_widget( Button(text = '='))
		

		bl.add_widget( gl )
		return bl

Secondary: cmd says
Во-вторых: cmd выдаёт

File "D:\Kivy lessons\lesson3.py", line 55, in
My().run()
File "C:\Users\Администратор\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\app.py", line 829, in run
root = self.build()
File "D:\Kivy lessons\lesson3.py", line 21, in build
self.lbl = Label( text = '01234', font_size = 40, holign = 'right', size_hint = (1, .4))
File "C:\Users\Администратор\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\uix\label.py", line 318, in __init__
super(Label, self).__init__(**kwargs)
File "C:\Users\Администратор\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\uix\widget.py", line 350, in __init__
super(Widget, self).__init__(**kwargs)
File "kivy\_event.pyx", line 243, in kivy._event.EventDispatcher.__init__
TypeError: object.__init__() takes no parameters