Changing the Image on a button

[odeits]

On Feb 16, 8:40 am, John Posner <jjpos... at snet.net> wrote:
>  >> from Tkinter import *
>  >>
>  >> def do():
>  >>     btn.configure(image = None)
>  >>
>  >> root = Tk()
>  >> img1 = PhotoImage(file="bacon.gif")
>  >>
>  >> btn = Button(image = img1, command = do, text = "hello" )
>  >> btn.img = img1
>  >> btn.pack()
>  >> root.mainloop()
>  >>
>
> Try this change:
>
>   from: btn.configure(image = None)
>     to: img1.blank()
>
> -John
>
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This does in fact clear the image out, however it isn't causing the
text to display... Do i have have to create a new button and swap it
out?