PySide 1.2.2 and Python 3.4.1 - "native Qt signal is not callable"

[MRAB]

On 2014-08-30 14:35, Juan Christian wrote:
> Hello everyone, I have a question regarding PySide 1.2.2 and Python 3.4.1
>
> I have this code <http://pastebin.com/5NXd4Jkk> that I made following a
> Python tutorial <https://www.youtube.com/watch?v=8D_aEYiBU2c>, mine is a
> bit different because the tutorial is a bit old, and I'm trying to use
> Python newest features .
>
> As I read in the doc, PySide Signal and Slots now work differently, and
> I'm trying to use this new way (lines 32 - 34).
>
> But, as you guys can see in the pastebin link, it's not working, but I
> don't have a clue why. I hope someone can explain me what I did wrong.
>
Judging from the traceback, the problem is that you're trying to call a
signal, but it's not callable.

After a brief look, I found this:

https://qt-project.org/wiki/Signals_and_Slots_in_PySide

To me it looks like you should be doing this instead (untested):

self.fromComboBox.currentIndexChanged.connect(self.update_ui)