code: def phase2(self):
      # choose remaining nodes uniformly at random and use rejection sampling
      remaining_deg = self.remaining_degree
      rng = self.rng
      while len(remaining_deg) >= 2 * self.dmax:
          while True:
              u, v = sorted(rng.sample(list(remaining_deg.keys()), 2))
              if self.graph.has_edge(u, v):
                  continue
              if rng.random() < self.q(u, v):
                  break
          if rng.random() < self.p(u, v):  # accept edge
              self.graph.add_edge(u, v)
              self.update_remaining(u, v)
  
imports: import heapq
  import math
  from itertools import chain, combinations, zip_longest
  from operator import itemgetter
  import networkx
  from networkx.utils import py_random_state, random_weighted_sample
label_desc: Use image node_id 8 for calling the DegreeSequenceRandomGraph obj's underlying member method code with example usage: obj.phase2() without return types