code: def _init_associations(self, fin_gaf, hdr_only, prt, allow_missing_symbol):
          
          ini = InitAssc()
          nts = ini.init_associations(fin_gaf, hdr_only, prt, allow_missing_symbol)
          self.hdr = ini.hdr
          return nts
docs: Read annotation file and store a list of namedtuples.