On 10/10/2014 19:51, cru...@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.

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