test round dim questions

[caofeng0528]

torch-rechub/torch_rechub/trainers/mtl_trainer.py

Line 177 in 552bf23

scores = [self.evaluate_fns[i](targets[:, i], predicts[:, i]) for i in range(self.n_task)]

When the model is PLE, why is the input time 100x16 and only the first two columns used for test