matplotlib numpy version confusion with ipython -pylab

I recently removed my existing numpy and matplotlib installations and
rebuilt from svn, then installed the matplotlib-0.98.0 egg
If I fire up ipython and then get to work everything is ok, but
attempting to start ipython with the -pylab flag results in a numpy
version error message, as shown below.

I thought I'd removed all traces of the older numpy, but apparently
there is a vestige of it somewhere - anyone else get this?

···

----------------------------------------------------

spinode: ipython
Python 2.5.2 (r252:60911, Feb 22 2008, 07:57:53)
Type "copyright", "credits" or "license" for more information.

IPython 0.8.2 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.

In [1]: import numpy

In [2]: numpy.version.version
Out[2]: '1.2.0.dev5255'

In [3]: import pylab

In [4]: pylab.plot([0,0.1,0.5])
Out[4]: [<matplotlib.lines.Line2D object at 0x2280a90>]

In [5]: pylab.show()

In [6]: exit()
Do you really want to exit ([y]/n)? y
spinode: ipython -pylab
numpy 1.1 or later is required; you have 1.0.5.dev4897

-------------------------
Andrew Charles
Centre for Australian Weather and Climate,
Australian Bureau of Meteorology.

Hi Andrew,

It looks like you have an old version of numpy somewhere on your python path.
You need to delete all the old numpy installs/eggs from site-packages, and
anywhere else on your PYTHONPATH.

···

On Friday 06 June 2008 3:48:05 am Andrew Charles wrote:

I recently removed my existing numpy and matplotlib installations and
rebuilt from svn, then installed the matplotlib-0.98.0 egg
If I fire up ipython and then get to work everything is ok, but
attempting to start ipython with the -pylab flag results in a numpy
version error message, as shown below.

I thought I'd removed all traces of the older numpy, but apparently
there is a vestige of it somewhere - anyone else get this?

----------------------------------------------------

spinode: ipython
Python 2.5.2 (r252:60911, Feb 22 2008, 07:57:53)
Type "copyright", "credits" or "license" for more information.

IPython 0.8.2 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.

In [1]: import numpy

In [2]: numpy.version.version
Out[2]: '1.2.0.dev5255'

In [3]: import pylab

In [4]: pylab.plot([0,0.1,0.5])
Out[4]: [<matplotlib.lines.Line2D object at 0x2280a90>]

In [5]: pylab.show()

In [6]: exit()
Do you really want to exit ([y]/n)? y
spinode: ipython -pylab
numpy 1.1 or later is required; you have 1.0.5.dev4897

-------------------------
Andrew Charles
Centre for Australian Weather and Climate,
Australian Bureau of Meteorology.

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