Re: [Matplotlib-users] Error: ImportError: cannot import name Int8

Alex,

Download the current mpl release and try installing that, after 
completely cleaning out the present installation.  (I would also be 
inclined to delete the numpy and install that also from the latest 
tarball, and then build and install mpl.) 0.87.3 is pretty old.  There 
was a while when mpl and numpy were evolving together and had to be kept 
in sync; evidently 0.87.3 was based on an older numpy version, something 
prior to numpy 1.0.

For anything that you install yourself, I recommend using the 
--prefix=/usr/local option to "python setup.py install".  I like to keep 
things I install separate from things that come from distro packages.

Eric

Alexander Dietz wrote:
> Hi,
> 
> I want to use matplotlib, version 0.87.3, on my laptop (FC5) running 
> numpy1.0.1. I had the following settings in my matplotlibrc:
> 
> numerix:numpy
> 
> Then I installed matplotlib using:
> 
> python setup.py build
> python setup.py install
> 
> which all seemed to work fine. But then, trying to import pylab, leads 
> to the following error:
> 
>   from pylab import *
>   File "/usr/lib/python2.4/site-packages/pylab.py", line 1, in ?
>     from matplotlib.pylab import *
>   File "/usr/lib/python2.4/site-packages/matplotlib/pylab.py", line 196, 
> in ?
>     import cm
>   File "/usr/lib/python2.4/site-packages/matplotlib/cm.py", line 5, in ?
>     import colors
>   File "/usr/lib/python2.4/site-packages/matplotlib/colors.py", line 33, 
> in ?
>     from numerix import array, arange, take, put, Float, Int, where, \
>   File 
> "/usr/lib/python2.4/site-packages/matplotlib/numerix/__init__.py", line 
> 68, in ?
>     from _sp_imports import nx, infinity
>   File 
> "/usr/lib/python2.4/site-packages/matplotlib/numerix/_sp_imports.py", 
> line 1, in ?
>     from numpy import Int8, UInt8, \
> ImportError: cannot import name Int8
> 
> 
> How to fix this problem?
> 
> Cheers
>   Alex
> 
> 
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