What if the App method doesn't want to be imported from Kivy (PyCharm)?

Question

Python

Here is my code:

from kivy.app import App
from kivy.uix.button import Button


class TestApp(App):
    def build(self):
        return Button(text='Hello World')

TestApp().run()

Writes here such error

What to do I will not apply mind if to start from the folder double click on the file, then everything works. When I press RUN in PyCharm, I write an error

Answer 1

and double click the same python uses? virtualenv I mean