fix bug

ZedongPeng · Oct 31, 2023 · 63309c3 · 63309c3
1 parent abbc5aa
commit 63309c3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pyomo/contrib/mindtpy/util.py b/pyomo/contrib/mindtpy/util.py
@@ -37,6 +37,7 @@
 from pyomo.solvers.plugins.solvers.gurobi_direct import gurobipy
 from pyomo.solvers.plugins.solvers.gurobi_persistent import GurobiPersistent
 import math
+from itertools import permutations, product
 
 pyomo_nlp = attempt_import('pyomo.contrib.pynumero.interfaces.pyomo_nlp')[0]
 numpy = attempt_import('numpy')[0]