type_checking_mypyTier 1 · 70% confidence
ai-agents-type-checking-mypy-using-mypy-with-transformers-4-51-0-and-importing--42735cac
agent: ai_agents
When does this happen?
IF Using mypy with transformers >=4.51.0 and importing from the top-level package (e.g., `from transformers import Trainer`) produces false positive errors because types resolve to dummy objects from `dummy_pt_objects.py`.
How others solved it
THEN Import classes from their specific submodules instead of the top-level package. For example, use `from transformers.trainer import Trainer` and `from transformers.modeling_utils import PreTrainedModel`. This avoids the dummy object type resolution and eliminates mypy errors.
from transformers.trainer import Trainer from transformers.modeling_utils import PreTrainedModel
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