[PyTorchLightning/pytorch-lightning] remove deprecated train_loop (#10482)

Summary:
### New commit log messages
  fa0ed17f8 remove deprecated train_loop (#10482)

Reviewed By: kandluis

Differential Revision: D32454980

fbshipit-source-id: a35237dde06cc9ddac5373b75992ce88a6771c76

Author: Ananth Subramaniam

mmf/trainers/lightning_core/loop_callback.py

@@ -160,7 +160,7 @@ def _get_current_epoch_for_logging(self, trainer: Trainer):
         return trainer.current_epoch + 1
 
     def _get_iterations_for_logging(self, trainer: Trainer):
-        return trainer.train_loop.batch_idx + 1
+        return trainer.fit_loop.batch_idx + 1
 
     def _get_num_updates_for_logging(self, trainer: Trainer):
         return trainer.global_step + 1

requirements.txt

@@ -18,7 +18,7 @@ datasets==1.2.1
 matplotlib==3.3.4
 pycocotools==2.0.2
 ftfy==5.8
-pytorch-lightning @ git+https://github.com/PyTorchLightning/pytorch-lightning@f9b9cdb0d
+pytorch-lightning @ git+https://github.com/PyTorchLightning/pytorch-lightning@fa0ed17f8
 torchaudio>=0.6.0, <=0.9.0
 psutil
 pillow==8.3.1