'int' object is not callable in an threaded app

[king kikapu]

> It appears that worker.start gets set to the result of
> count.ui.spFrom.value().  If that result is an int, then worker.start() is
> going to generate the TypeError you received.  Did you actually mean to call
> worker.run() instead?
>
> ---
> -Bill Hamilton

Some friend pointed out to me an hour ago, it was indeed that damn
variable...
Anyway, thanks Bill!