Use deepcopy when copying constraint in ConstantLiar

till-m · till-m · commit 05fc6025ced2 · 2025-05-30T10:18:29.000+02:00
diff --git a/bayes_opt/acquisition.py b/bayes_opt/acquisition.py
@@ -995,7 +995,7 @@ def _copy_target_space(self, target_space: TargetSpace) -> TargetSpace:
             None, pbounds=pbounds, allow_duplicate_points=target_space._allow_duplicate_points
         )
         if target_space._constraint is not None:
-            target_space_copy.set_constraint(target_space.constraint)
+            target_space_copy.set_constraint(deepcopy(target_space.constraint))
 
         target_space_copy._params = deepcopy(target_space._params)
         target_space_copy._target = deepcopy(target_space._target)

Original file line number	Diff line number	Diff line change
`@@ -995,7 +995,7 @@ def _copy_target_space(self, target_space: TargetSpace) -> TargetSpace:`
`995`	`995`	`None, pbounds=pbounds, allow_duplicate_points=target_space._allow_duplicate_points`
`996`	`996`	`)`
`997`	`997`	`if target_space._constraint is not None:`
`998`		`- target_space_copy.set_constraint(target_space.constraint)`
	`998`	`+ target_space_copy.set_constraint(deepcopy(target_space.constraint))`
`999`	`999`
`1000`	`1000`	`target_space_copy._params = deepcopy(target_space._params)`
`1001`	`1001`	`target_space_copy._target = deepcopy(target_space._target)`