def fine_tune_embeddings(self, fine_tune=True):
        """
        Allow fine-tuning of embedding layer? (Only makes sense to not-allow if using pre-trained embeddings).

        :param fine_tune: Allow?
        """
        for p in self.embedding.parameters():
            p.requires_grad = fine_tune

        Allow fine-tuning of embedding layer? (Only makes sense to not-allow if using pre-trained embeddings).

        :param fine_tune: Allow?
        
models.py