code: def change(self, ident, rank=None):
          '''Change ident'''
          self.ident = ident
          if rank:
              self.rank = rank
              self.level = self._getLevel(rank, self.taxonomy)
          # count changes made to instance
          self.counter += f change(self, ident, rank=None):
          '''Change ident'''
          self.ident = ident
          if rank:
              self.rank = rank
              self.level = self._getLevel(rank, self.taxonomy)
          # count changes made to instance
          self.counter += 1
docs: Change ident