@@ -85,6 +85,8 @@ def test_serialization_for(learner_type, learner_kwargs, serializer):

         f = f_for_pickle  # noqa: F811

     learner = learner_type(f, **learner_kwargs)

+    if learner_type is Learner1D:

+        learner._recompute_losses_factor = 1

     simple(learner, goal_1)

     learner_bytes = serializer.dumps(learner)