From: John Stone (
Date: Wed Jan 30 2008 - 10:29:49 CST

  For the precompiled VMD 1.8.6 distribution, please use the Python libraries
we've made available on the web site:

The instructions for setting up the environment variables are in
the User's Guide here (see the first section there):
  John Stone

On Mon, Jan 28, 2008 at 10:55:36AM -0500, wrote:
> Hi,
> When I try to switch over to the Python interpreter using 'gopython', the
> following error occurs:
> File "<string>", line 1, in ?
> File "/home/brittanym/vmd-1.8.6/python/", line 62, in ?
> from types import *
> ImportError: No module named types
> I have read in the archives that changing PYTHONHOME and PYTHONPATH
> variables can fix similar problems. I have tried setting PYTHONHOME to
> /usr/local/bin, the same directory as PYTHONPATH, and a few other
> variations with no change. If PYTHONPATH isn't set to the location of the
> module above, I get an error stating _tkinter cannot be found.
> The version of python installed on my system independent of VMD has a
> module named types, but is it possible to have two locations specified for
> VMD to look for modules?
> The other error I get is:
> Could not find Numeric Python version >= 22.0
> ImportError: No module named numeric_version
> My second questions is where should numpy be installed so that VMD will
> locate it, and do I need to change the name or do something beyond the
> typical module installation?
> Thanks,
> Brittany Morgan

NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
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