working on trainer docs

pytorch_lightning/core/lightning.py

@@ -9,12 +9,13 @@ from argparse import Namespace
 import pandas as pd
 import torch
 import torch.distributed as dist
-
+#
 from pytorch_lightning.core.decorators import data_loader
 from pytorch_lightning.core.grads import GradInformation
 from pytorch_lightning.core.hooks import ModelHooks
-from pytorch_lightning.core.memory import ModelSummary
 from pytorch_lightning.core.saving import ModelIO
+from pytorch_lightning.core.memory import ModelSummary
+from pytorch_lightning.trainer.training_io import load_hparams_from_tags_csv
 from pytorch_lightning.overrides.data_parallel import LightningDistributedDataParallel