docs: def get_multiplicon_leaves(self, redundant=False):
          """ Return a generator of the IDs of multiplicons found at leaves
              of the tree (i.e. from which no further multiplicons were derived).
  
              Arguments:
  
              o redundant - if true, report redundant multiplicons
          """
          for node in self._multiplicon_graph.nodes():
              if not len(self._multiplicon_graph.out_edges(node)):
                  if not self.is_redundant_multiplicon(node):
                      yield node
                  elif redundant:
                      yield node
                  else:
                      continue
              else:
                  continue