def get_trainer()

in src/builder.py [0:0]


    def get_trainer(self):
        if self._trainer is None:
            self._trainer = Train(model_dir=self.model_dir, epochs=self.epochs,
                                  early_stopping_patience=self.early_stopping_patience,
                                  checkpoint_frequency=self.checkpoint_frequency,
                                  checkpoint_dir=self.checkpoint_dir,
                                  accumulation_steps=self.grad_accumulation_steps)

        return self._trainer