docs: def randomise_labels(
              self,
              inplace=False,
      ):
          """ Shuffles the leaf labels, but doesn't alter the tree structure """
  
          if not inplace:
              t = self.copy()
          else:
              t = self
  
          names = list(t.labels)
          random.shuffle(names)
          for l in t._tree.leaf_node_iter():
              l.taxon._label = names.pop()
          t._dirty = True
          return t