Make a colour blink

cruzud at cruzud at
Fri Oct 10 20:51:03 CEST 2014

Hello. I'm trying to make a colour blink when an event occurs.
But the program is displaying only the last colour:


def blink(self, event=None):
    lbl['background'] = 'red'
    lbl.['background'] = 'SystemButtonFace'

Can you help?

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