code: def reindexMembership(self, cl):
      if hasattr(cl, "membership"):
          cl = cl.membership
      idgen = UniqueIdGenerator()
      return [idgen[i] for i in cl]
  
imports: import math
  import random
  import unittest
  from igraph import Clustering, CohesiveBlocks, Cover, Graph, Histogram, InternalError, UniqueIdGenerator, VertexClustering, compare_communities, split_join_distance, set_random_number_generator
label_desc: Use image node_id 1 for calling the CommunityTests obj's underlying member method code with example usage: obj.reindexMembership(cl) and returns: unknown