Solved by vfdev-5 in post #2 
              
              
                @FruitVinegar I think the problem is related to output transform definition with lambdas. Lambdas can not store experiment_name internally, so all output_transform fetch the last experiment_name. 
For example, take a look: 
ot_list = []

for n in ["a", "b", "c", "d"]:
    ot_list.append(lambda _: pr…