[SciPy-user] problem with plt.plot

Pearu Peterson pearu at scipy.org
Sat Apr 30 01:53:10 CDT 2005



On Fri, 29 Apr 2005, Fernando Avila Castro wrote:

>
> 	Hi, i have installed the Scipy packages on Scientific Linux 4 
> (derived from RHEL 4) with the ATLAS libs, gnuplot.py and wxPython.
> 	It rans the test ok, and I can make plots using gplt. The problem is 
> with plt. I can't even run the examples on the plotting tutorial:
>
>
>
> Python 2.3.4 (#1, Feb 18 2005, 12:15:38)
> [GCC 3.4.3 20041212 (Red Hat 3.4.3-9.EL4)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> from scipy import *
>>>> import gui_thread
>>>> gui_thread.start()
> Traceback (most recent call last):
>  File "<stdin>", line 1, in ?
>  File "/usr/lib/python2.3/site-packages/gui_thread/__init__.py", line 73, in 
> start
>    wxPython_thread()
>  File "/usr/lib/python2.3/site-packages/gui_thread/wxPython_thread.py", line 
> 160, in wxPython_thread
>    sys.modules[name] = wrap_extmodule(module,call_holder)
>  File "/usr/lib/python2.3/site-packages/gui_thread/wxPython_thread.py", line 
> 61, in wrap_extmodule
>    raise NotImplementedError,`t`
> NotImplementedError: <type 'PyCObject'>
>>>> gui_thread.wxPython_thread()
> Traceback (most recent call last):
>  File "<stdin>", line 1, in ?
>  File "/usr/lib/python2.3/site-packages/gui_thread/wxPython_thread.py", line 
> 156, in wxPython_thread
>    for name in get_extmodules(pexec):
>  File "/usr/lib/python2.3/site-packages/gui_thread/wxPython_thread.py", line 
> 25, in get_extmodules
>    _do_import(pexec)
>  File "/usr/lib/python2.3/site-packages/gui_thread/wxPython_thread.py", line 
> 104, in _do_import
>    assert not sys.modules.has_key('wx'), \
> AssertionError: wx is already imported, cannot proceed
>
>
> Any hints on how to solve this?

First import and start gui_thread and then import scipy:

>>>> import gui_thread
>>>> gui_thread.start()
>>>> from scipy import *

HTH,
Pearu



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