code: def modelshort(self):
          
          try:
              name = SHORT_MODELNAMES[self.model]
  
              #add index if specific model is indexed
              if hasattr(self,'index'):
                  name += '-{}'.format(self.index)
  
              return name
  
          except KeyError:
              raise KeyError('No short name for model: %s' % self.model)
docs: Short version of model name
  
          Dictionary defined in ``populations.py``::
  
              SHORT_MODELNAMES = {'Planets':'pl',
                      'EBs':'eb',
                      'HEBs':'heb',
                      'BEBs':'beb',
                      'Blended Planets':'bpl',
                      'Specific BEB':'sbeb',
                      'Specific HEB':'sheb'}