code: def __unwrapParams(self):
      
      if self.__cachedParams is None:
        self.__cachedParams = json.loads(self.__rawInfo.params)
        assert self.__cachedParams is not None, \
               "%s resulted in None" % self.__rawInfo.params
  
      return self.__cachedParams
docs: Unwraps self.__rawInfo.params into the equivalent python dictionary
      and caches it in self.__cachedParams. Returns the unwrapped params
  
      Parameters:
      ----------------------------------------------------------------------
      retval:         Model params dictionary as correpsonding to the json
                      as returned in ClientJobsDAO.modelsInfo()[x].params