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Allow the same config several times in the auto mapping #16631

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Merged
sgugger merged 1 commit into from
Apr 6, 2022
Merged

Allow the same config several times in the auto mapping #16631

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8 changes: 7 additions & 1 deletion src/transformers/models/auto/configuration_auto.py
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Original file line number Diff line number Diff line change
Expand Up @@ -389,7 +389,13 @@ def __getitem__(self, key):
module_name = model_type_to_module_name(key)
if module_name not in self._modules:
self._modules[module_name] = importlib.import_module(f".{module_name}", "transformers.models")
return getattr(self._modules[module_name], value)
if hasattr(self._modules[module_name], value):
return getattr(self._modules[module_name], value)

# Some of the mappings have entries model_type -> config of another model type. In that case we try to grab the
# object at the top level.
transformers_module = importlib.import_module("transformers")
return getattr(transformers_module, value)

def keys(self):
return list(self._mapping.keys()) + list(self._extra_content.keys())
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