Maia,

you have to install libpng and/or libpng-devel.


Andreas


On Fri, Sep 11, 2009 at 3:04 AM, Maia Cherney <[email protected]> wrote:
> Hi,
> Could you please help me with a pymol problem. I have ubuntu linux and I
> have pymol in the /usr/bin (comes with ubuntu installation) and also one
> in the /programs/linux directory. But I can't open pymol in a terminal
> (both installations), only from applications/education menu. I get this
> error from /usr/bin/pymol:
>
> Traceback (most recent call last):
> File "/var/lib/python-support/python2.5/pymol//__init__.py", line 167,
> in <module>
>  import pymol
> File "/var/lib/python-support/python2.5/pymol/__init__.py", line 412, in
> <module>
>  from pymol import _cmd
> ImportError: /var/lib/python-support/python2.5/pymol/_cmd.so: undefined
> symbol: PyUnicodeUCS4_SetDefaultEncoding
>
> or this error from the programs/linux/pymol
>
> Traceback (most recent call last):
> File "<string>", line 1, in ?
> File "/raid/programs/linux/pymol-0.99rc1/modules/pymol/__init__.py",
> line 353, in ?
>  import _cmd
> ImportError: libpng.so.3: cannot open shared object file: No such file
> or directory
>
> Could anybody ,please, advise me how to fix it.
>
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