docstr: Returns True if and only if an arbitrary remaining node can
  potentially be joined with some other remaining node.
docstr_tok: ["Returns","True","if","and","only","if","an","arbitrary","remaining","node","can","potentially","be","joined","with","some","other","remaining","node","."]
code: def suitable_edge(self):
      """Returns True if and only if an arbitrary remaining node can
      potentially be joined with some other remaining node.
  
      """
      nodes = iter(self.remaining_degree)
      u = next(nodes)
      return any(v not in self.graph[u] for v in nodes)
  
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 6 for calling the DegreeSequenceRandomGraph obj's underlying member method code with example usage: obj.suitable_edge() and returns: any