猕猴桃不显示窗口

Question

在编写代码以显示带有文本“名称”的窗口和对话框之后，我没有出现任何错误。但是对我来说窗口不显示。而且我没有任何错误。有人对此有任何想法吗？

import kivy
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.gridlayout import GridLayout
from kivy.uix.textinput import TextInput


class MyGrid(GridLayout):
 def __init__(self, **kwargs):
    super(MyGrid, self).__init__(**kwargs)
    self.cols = 2
    self.add_widget(Label(text="name"))
    self.name = TextInput(multilines=False)
    self.add_widget(self.name)


class MyApp(App):
 def build(self):
    return MyGrid()

if __name__ == "__name__":
  MyApp().run()