Inputs are not scaled according to the temperature in pair wise losses 

The class `class _PairwiseLoss(_RankingLoss):` overrides `def call(...)` from its parent without applying the temperature scaling (unlike its parent):

https://github.com/tensorflow/ranking/blob/c46cede726fd453e0aaa6097871d23dc8e465bdc/tensorflow_ranking/python/keras/losses.py#L322