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Fix missing BPE token conversion step in Chameleon #44582

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Merged
hmellor merged 1 commit into from
Mar 11, 2026
Merged

Fix missing BPE token conversion step in Chameleon #44582

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4 changes: 3 additions & 1 deletion src/transformers/models/chameleon/modeling_chameleon.py
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Original file line number Diff line number Diff line change
Expand Up @@ -899,8 +899,10 @@ def get_image_features(
pixel_values (`torch.FloatTensor` of shape `(batch_size, num_channels, image_size, image_size)`):
The tensors corresponding to the input images.
"""
batch_size = pixel_values.shape[0]
vqmodel_outputs: ChameleonVQVAEModelOutput = self.vqmodel.encode(pixel_values, return_dict=True, **kwargs)
vqmodel_outputs.pooler_output = self.get_input_embeddings()(vqmodel_outputs.image_tokens)
bpe_tokens = self.vocabulary_mapping.convert_img2bpe(vqmodel_outputs.image_tokens).view(batch_size, -1)
vqmodel_outputs.pooler_output = self.get_input_embeddings()(bpe_tokens)
return vqmodel_outputs

def get_placeholder_mask(
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