You could try pip install argparse in your current yt environment but there might be other things in yt that depend on Python 2.7. It might be easier to create a new yt environment with the install script and run on Python 2.7. I would try to use Python 2.7 either way, but I don't know of a clean way to upgrade python in your current yt environment. I hope that helps.

On Wed, Jul 20, 2011 at 4:04 PM, Jun-Hwan Choi <jhchoi@pa.uky.edu> wrote:

Hi YT user,

I recently move the stable 2.1 to development 2.2.
Then I try to run simple slice script that worked with 2.1, but it crash
My simple script is as follow:

-------------------------------------
from yt.mods import *
from yt.analysis_modules.api import EnzoSimulation
import matplotlib.pylab as pylab

pf = load("DD0000/DD0000")

# create density slices
pc = PlotCollection(pf, center=[0.5,0.5,0.5])

pc.add_slice("Density", 0)
pc.save("DD0000")
--------------------------------------
and the error message is

Traceback (most recent call last):
File "SliceDenItr.py", line 1, in <module>
from yt.mods import *
File "/home/jhchoi/common/lib/python2.6/site-packages/yt-2.2dev-py2.6-linux-x86_64.egg/yt/mods.py", line 43, in <module>
from yt.utilities.cookbook import Intent
File "/home/jhchoi/common/lib/python2.6/site-packages/yt-2.2dev-py2.6-linux-x86_64.egg/yt/utilities/cookbook.py", line 30, in <module>
import argparse
ImportError: No module named argparse

Does anyone know the reason of error and way to fix it?

Thanks in advance,
Junhwan Choi

--

--------------------------------------------------------------
Jun-Hwan Choi, Ph.D.
Department of Physics and Astronomy, University of Kentucky
Tel: (859) 897-6737 Fax: (859) 323-2846
Email: jhchoi@pa.uky.edu URL: http://www.pa.uky.edu/~jhchoi
--------------------------------------------------------------

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