Trying to invoke action without arguments

Platform
1

Don’t understand why do I see this warning,
when action defined as the stateful and without arguments:

Trying to invoke action without arguments, but action expects parameter with type 's'

SimpleAction::new_stateful(
    "some-name",
    None, // <-
    &DEFAULT_STATE.to_variant(),
)

It happened when activate action with accels / hotkey only, there is nothing special:

simple_action.connect_activate(move |this, _| {
    let state = this
        .state()
        .expect("State value required")
        .get::<i32>()
        .expect("Parameter type does not match `i32`");

    // it's just return current state formatted
    callback(if state == DEFAULT_STATE {
        None
    } else {
        Some(state)
    })
});
2

My fail: just assigned accel key (<Primary>u) twice

3

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