python - Cannot import NavigationToolbar from matplotlib.backends.backend_gtk -

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i'm running program received friend i'm not able solve error. initial part of code is:

import matplotlib matplotlib.use('gtk') matplotlib.figure import figure matplotlib.axes import subplot matplotlib.backends.backend_gtk import figurecanvasgtk, navigationtoolbar, navigationtoolbar2gtk  numpy import zeros import gtk import gtk.glade  import scipy import scipy.interpolate import scipy.io

when try run code, receive error:

file "analeem.py", line 11, in <module> matplotlib.backends.backend_gtk import figurecanvasgtk, navigationtoolbar, navigationtoolbar2gtk importerror: cannot import name navigationtoolbar

i'm running code under ubuntu, matplotlib installed.

thanks in advance,

matteo


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