Make a colour blink

[Mark Lawrence]

On 10/10/2014 19:51, cruzud at gmail.com wrote:
> Hello. I'm trying to make a colour blink when an event occurs.
> But the program is displaying only the last colour:
>
> self.bttn.bind('<ButtonRelease-Return>',blink)
>
> def blink(self, event=None):
>      lbl['background'] = 'red'
>      sleep(0.5)
>      lbl.['background'] = 'SystemButtonFace'
>
> Can you help?
>

Telling us what platform you're on, your OS, Python version and the 
actual GUI helps in cases like this.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence