Hi Srinivasan.

It seems you need the package:
whrandom 

Try starting pymol and write in console:
from whrandom import random 
help(random)


PyMOL>from whrandom import random 
PyMOL>help(random)
Help on module whrandom.random in whrandom:
 
NAME
    whrandom.random
 
FILE
    c:\python27\pymol\pymol-script-repo\modules\mole\whrandom\random.py


The package is included in the project Pymol-script-repo project.
http://www.pymolwiki.org/index.php/Git
http://www.pymolwiki.org/index.php/Git_install


Best
Troels

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2012/7/16 Srinivasan Rengacahri <srinivasan.rengachari@yahoo.com>
Dear Pymol Users,

             I tried to run the program MOLE for computing tunnels on my
protein and i got the following error message. I can be considered a
beginner when it comes to these problems coz I am not sure if its a
problem of the plugin or with pymol; it would be kind to get some help
to sort this out. And yes, windows is the operating system.

Many thanks for your help,
Vasan

Error: 1
<type 'exceptions.ImportError'> Exception in Tk callback
   Function: <function <lambda> at 0x000000000C400438> (type: <type
'function'>)
   Args: ()
Traceback (innermost last):
   File "C:\Program
Files\PyMOL\PyMOL/modules\Pmw\Pmw_1_2\lib\PmwBase.py", line 1747, in
__call__
     return apply(self.func, args)
   File "C:\Program
Files\PyMOL\PyMOL/modules\Pmw\Pmw_1_2\lib\PmwDialog.py", line 153, in
<lambda>
     command=lambda self=self, name=name: self._doCommand(name))
   File "C:\Program
Files\PyMOL\PyMOL/modules\Pmw\Pmw_1_2\lib\PmwDialog.py", line 132, in
_doCommand
     return command(name)
   File "C:\Program Files\PyMOL\PyMOL/modules\pmg_tk\startup\mole.py",
line 586, in execute
     execfile(pathpy)
   File "C:\Mole\tmp\found_001_001.py", line 10, in <module>
     from whrandom import random
<type 'exceptions.ImportError'>: No module named whrandom

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