Re: [Visualpython-users] problems with ipython -pylab -p scipy

[Bruce S. <Bru...@nc...>]

Here's a thought. I don't see how, but maybe somehow there's a conflict 
between the old numeric module installed by the standard VPython and the 
new numpy module you already had installed. You might try temporarily 
uninstalling numpy to see whether that makes a difference. Or you might 
uninstall the standard VPython and instead install the beta version (see 
"Recent developments" at vpython.org). The beta version (which 
unfortunately has serious bugs on Windows) uses numpy.

Bruce Sherwood

Ryan Krauss wrote:
> I am trying to use Vpython with ipython running with the scipy options
> -pylab -p scipy.  I am getting this error message:
> 
> In [1]: import visual
> ---------------------------------------------------------------------------
> <type 'exceptions.ImportError'>           Traceback (most recent call last)
> 
> C:\Documents and Settings\rkrauss\<ipython console> in <module>()
> 
> C:\Python25\lib\site-packages\visual\__init__.py in <module>()
>      13
>      14 # Don't try this at home!
> ---> 15 import array_backend
>      16 # The following is intended to be equivalent to:
>      17 # >>> from array_backend.backend[0] import *
> 
> C:\Python25\lib\site-packages\visual\array_backend.py in <module>()
>       2
>       3 # I am performing the import statements within functions to prevent poll
> uting the global
>       4 # namespace
>       5 def _try_init_numeric():
>       6     try:
> 
> <type 'exceptions.ImportError'>: DLL load failed: Invalid access to memory locat
> ion.
> 
> 
> I saw another thread with this error message but with no answer.  Is
> there a solution to this problem?  I am running Windows XP and Python
> 2.5.  Until I ran the VPython installer, this computer had only numpy
> installed.
> 
> Thanks,
> 
> Ryan
> 
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