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fix _setup_devices in case where there is no torch.distributed package in build #16821

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Merged
sgugger merged 2 commits into from
Apr 18, 2022
Merged

fix _setup_devices in case where there is no torch.distributed package in build #16821

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029923c
fix _setup_devices in case where there is not torch.distributed
dlwh Apr 18, 2022
dc3df64
in training_args_sm.py as well
dlwh Apr 18, 2022
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2 changes: 1 addition & 1 deletion src/transformers/training_args.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1032,7 +1032,7 @@ def eval_batch_size(self) -> int:
@torch_required
def _setup_devices(self) -> "torch.device":
logger.info("PyTorch: setting up devices")
if torch.distributed.is_initialized() and self.local_rank == -1:
if torch.distributed.is_available() and torch.distributed.is_initialized() and self.local_rank == -1:
logger.warning(
"torch.distributed process group is initialized, but local_rank == -1. "
"In order to use Torch DDP, launch your script with `python -m torch.distributed.launch"
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