Pie charts with no black edges

Hi, How can we plot pie charts with the round circle of pie

    > with the same color as of pie piece, e.g if pie piece color
    > is red the egge of the same pie piece should be red.
    > Please help!

How about something like

slices, texts = pie(...)
for slice in slices:
    slice.set_edgecolor(slice.get_facecolor())

JDH