raw input and buffering


I tried to retype python programs from xplt to matplotlib.
What is necessary some times is to plot some curves one after another
seperated by raw_input().
Unfortunately the figures seem not to be buffered correctly. Here is a
little example:


from pylab import *
ion() # interactive mode
x = arange(10)
plot(x,x*x) # ad something to the plot
draw() # draw it
raw_input("During this time the plot is not refreshed when \
temporarily overlapped by another window.") # wait for user

Is there a way to get the buffer working again?

Thanks a lot,

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