The instnum.py script fails to validate new installation numbers.

Issue

• Installation number not validated by instnum.py.
• The /usr/lib/python2.4/site-packages/instnum.py script throws below error on validating installation number,

Traceback (most recent call last):
 File "instnum.py", line 894, in ?
   print inum.get_summary_string() 
 File "instnum.py", line 244, in get_summary_string 
  s += _("Options: %s\n" % (self.get_options_string(),)) 
 File "instnum.py", line 337, in 
  get_options_string myOpts = self.get_options()  
 File "instnum.py", line 275, in get_options 
   return encodingMaps[IN_COMBINATIONS][product][options] 
 KeyError: 13158