def __init__(self, model: Model, constr: Dict[int, int]):
self.model = model
self.pure_model = model.clone()
self.left = None
self.right = None
self.val = float('inf')
self.sol = None
self.constr = constr
def __init__(self, model: Model, mu, sigma, graph, bb_params):
self.model = model
self.pure_model = model.clone()
self.m, self.n = model.getVariable(
'I').getShape()[0], model.getVariable('Xi').getShape()[0]
self.mu, self.sigma = mu, sigma
self.graph = graph
self.roads = [(i, j) for i in range(self.m) for j in range(self.n)
if graph[i][j] == 1]
self.bb_params = bb_params
self.node_explored = 0
self.best_model = None
self.obj_ub = None