code: def _all_models(models):
      satisfiable = False
      try:
          while True:
              yield next(models)
              satisfiable = True
      except StopIteration:
          if not satisfiable:
              yield False
  
imports: from collections import defaultdict
  from heapq import heappush, heappop
  from sympy.core.sorting import ordered
  from sympy.assumptions.cnf import EncodedCNF
  from sympy.logic.algorithms.lra_theory import LRASolver
label_desc: Use image node_id 2 for calling a global function with example usage: _all_models(models) without return types