Fix: add initializer_range default to GO1ModelConfig#156
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ModiShi merged 1 commit intoOpenDriveLab:mainfrom May 11, 2026
Merged
Fix: add initializer_range default to GO1ModelConfig#156ModiShi merged 1 commit intoOpenDriveLab:mainfrom
ModiShi merged 1 commit intoOpenDriveLab:mainfrom
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Fixes AttributeError when loading GO-1 pretrained checkpoint from HuggingFace. The _init_weights method in modeling_action_expert.py accesses self.config.initializer_range, but GO1ModelConfig did not have this attribute set. Issue: OpenDriveLab#126
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@OpenDriveLab maintainers — this PR is ready to merge (mergeable_state=clean). Simple one-line fix adding |
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Fixes Issue #126
Problem
When loading GO-1 pretrained checkpoint from HuggingFace (agibot-world/GO-1), the model fails during initialization with:
This occurs in
modeling_action_expert.pyline 513, where_init_weightsaccessesself.config.initializer_range, butGO1ModelConfigdid not have this attribute.Solution
Add
initializer_range = 0.02as a default attribute inGO1ModelConfig.__init__.Changes
go1/internvl/model/go1/configuration_go1.py: Addedself.initializer_range = 0.02