Perfect; that saved my day.
Many thanks

Lorenzo

2008/10/24 Angus McMorland <[EMAIL PROTECTED]>:
> 2008/10/24 Lorenzo Isella <[EMAIL PROTECTED]>:
>> Dear All,
>> I am running Debian testing on my box. I had not used Python for about
>> a couple of weeks (during which I updated my system regularly) only to
>> find out that today I have a trouble if I try to import pylab. See
>> below what happens
>>
>> In [1]: import pylab as p
>> ---------------------------------------------------------------------------
>> ImportError                               Traceback (most recent call last)
>>
>> /home/iselllo/<ipython console> in <module>()
>>
>> /usr/lib/python2.5/site-packages/pylab.py in <module>()
>> ----> 1 from matplotlib.pylab import *
>>      2 import matplotlib.pylab
>>      3 __doc__ = matplotlib.pylab.__doc__
>>
>> /usr/lib/python2.5/site-packages/matplotlib/pylab.py in <module>()
>>    202 from numpy import ma
>>    203
>> --> 204 from matplotlib import mpl  # pulls in most modules
>>    205
>>    206 from matplotlib.dates import date2num, num2date,\
>>
>> /usr/lib/python2.5/site-packages/matplotlib/mpl.py in <module>()
>> ----> 2 from matplotlib import axis
>>      3 from matplotlib import axes
>>      4 from matplotlib import cbook
>>      5 from matplotlib import collections
>>      6 from matplotlib import colors
>>
>> /usr/lib/python2.5/site-packages/matplotlib/axis.py in <module>()
>>     11 import matplotlib.patches as mpatches
>>     12 import matplotlib.scale as mscale
>> ---> 13 import matplotlib.text as mtext
>>     14 import matplotlib.ticker as mticker
>>     15 import matplotlib.transforms as mtransforms
>>
>> /usr/lib/python2.5/site-packages/matplotlib/text.py in <module>()
>>     17 from lines import Line2D
>>     18
>> ---> 19 import matplotlib.nxutils as nxutils
>>     20
>>     21 def _process_text_args(override, fontdict=None, **kwargs):
>>
>> ImportError: /usr/lib/python2.5/site-packages/matplotlib/nxutils.so:
>> undefined symbol: __gxx_personality_v0
>>
>> I have no idea of what is going on; I do not remember doing anything
>> funny with my Python installation.
>> Any help is really appreciated now, since without pylab many of my
>> codes are unusable.
>> Many thank in advance
>
> I'm guessing this is because you've recently upgraded to the latest
> testing version of mpl... and it's broken. If that's the case you need
> to upgrade to the unstable version (0.98.3-3) and all will work again.
>
> HTH,
>
> Angus.
>
>>
>> Lorenzo
>>
>> --
>> Free will does not consist in inverting the river flow, but in being
>> the fish that leaps upstream.
>>
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>
>
>
> --
> AJC McMorland
> Post-doctoral research fellow
> Neurobiology, University of Pittsburgh
>



-- 
Free will does not consist in inverting the river flow, but in being
the fish that leaps upstream.

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