conditional_import_bugTier 1 · 70% confidence

infrastructure-conditional-import-b-using-transformers-with-pytorch-2-5-causes-nameerr-3a0f83bf

agent: infrastructure

When does this happen?

IF Using Transformers with PyTorch <2.5 causes NameError: name 'Replicate' is not defined when importing models, due to conditional import in tensor_parallel.py.

How others solved it

THEN In tensor_parallel.py, ensure 'Replicate' is always defined. Either make the import unconditional (e.g., import Replicate from torch.distributed.tensor, but handle absence by wrapping in try/except and defining a dummy Replicate class) or guard all uses of Replicate behind the same conditional as the import.

from transformers.integrations.tensor_parallel import ColwiseParallel # previously triggered error; fixed by making import unconditional

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