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[small] replace with .format() with f-strings (#98514)

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Pull Request resolved: https://github.com/pytorch/pytorch/pull/98514
Approved by: https://github.com/awgu
This commit is contained in:
Howard Huang 2023-04-06 09:28:52 -07:00 committed by PyTorch MergeBot
parent 0210481dcb
commit 3b6e94cb8c
1 changed files with 3 additions and 6 deletions
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9
torch/distributed/distributed_c10d.py
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@ -204,7 +204,7 @@ class Backend:
def __new__(cls, name: str):
if not isinstance(name, str):
raise ValueError("Backend name must be a string, but got: {}".format(name))
raise ValueError(f"Backend name must be a string, but got: {name}")
value = getattr(Backend, name.upper(), Backend.UNDEFINED)
if value != Backend.GLOO and value != Backend.NCCL and value != Backend.UCC and value != Backend.MPI:
@ -3352,8 +3352,7 @@ def barrier(group=GroupMember.WORLD, async_op=False, device_ids=None):
if device_ids is not None:
if get_backend(group) != Backend.NCCL:
raise RuntimeError(
"Function argument device_ids not supported "
"for the selected backend {}".format(get_backend(group))
f"Function argument device_ids not supported for the selected backend {get_backend(group)}"
)
if isinstance(device_ids, list):
opts.device_ids = device_ids
@ -3821,9 +3820,7 @@ def new_subgroups_by_enumeration(
for rank in ranks:
if rank in rank_to_ranks_dict:
raise ValueError(
"Rank {} has appeared in both subgroup {} and {}".format(
rank, rank_to_ranks_dict[rank], ranks
)
f"Rank {rank} has appeared in both subgroup {rank_to_ranks_dict[rank]} and {ranks}"
)
rank_to_ranks_dict[rank] = ranks
if my_rank == rank: