Make compatible with Gurobi 12

miplearn/problems/setcover.py

@@ -8,7 +8,7 @@ from typing import List, Union
 import gurobipy as gp
 import numpy as np
 import pyomo.environ as pe
-from gurobipy.gurobipy import GRB
+from gurobipy import GRB
 from scipy.stats import uniform, randint
 from scipy.stats.distributions import rv_frozen
 

miplearn/problems/setpack.py

@@ -7,7 +7,7 @@ from typing import List, Union
 
 import gurobipy as gp
 import numpy as np
-from gurobipy.gurobipy import GRB
+from gurobipy import GRB
 from scipy.stats import uniform, randint
 from scipy.stats.distributions import rv_frozen
 

setup.py

@@ -15,7 +15,7 @@ setup(
     python_requires=">=3.9",
     install_requires=[
         "Jinja2<3.1",
-        "gurobipy>=11,<12",
+        "gurobipy>=12,<13",
         "h5py>=3,<4",
         "networkx>=2,<3",
         "numpy>=1,<2",