The type of dark attribute of class App might be inaccurate. (Reactive[bool] -> bool) about textual HOT 5 CLOSED

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from textual.

Directly setting self.dark to False will raise a type-check lint:

from textual.

Dark should be Reactive as it is a reactive. Moreover, setting dark to False has the desired effect with this code:

from textual.app import App, ComposeResult
from textual.widgets import Label

class LightApp(App[None]):

    def __init__(self):
        super().__init__()
        self.dark = False

    def compose(self) -> ComposeResult:
        yield Label("This is a light app")

if __name__ == "__main__":
    LightApp().run()

I also see no type issues with the code (in this case using pyright):

It might be a good idea to say what you're using for type checking, and perhaps which IDE you're using. For example, the type checker in (some versions of?) PyCharm are known to be lacking a little and sometimes can mislead people.

from textual.

Yeah, PyCharm doesn't understand descriptors all that well. @Haphaistos2333 feel free to report this to the PyCharm folks.

from textual.

Don't forget to star the repository!

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from textual.