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fix(pi05): update pi05 with transformers v5.4.0 interface (#3603)

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Haoming Song
2026-05-15 17:37:05 +08:00
committed by GitHub
parent bd9619dfc3
commit 01dcb4c292
1 changed files with 3 additions and 4 deletions
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src/lerobot/policies/pi05/modeling_pi05.py
+3 -4
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@@ -441,13 +441,13 @@ class PaliGemmaWithExpertModel(
if image.dtype != torch.float32:
image = image.to(torch.float32)
image_outputs = self.paligemma.model.get_image_features(image)
features = image_outputs.pooler_output * self.paligemma.config.text_config.hidden_size**0.5
features = image_outputs.pooler_output
if features.dtype != out_dtype:
features = features.to(out_dtype)
return features
def embed_language_tokens(self, tokens: torch.Tensor):
return self.paligemma.model.language_model.embed_tokens(tokens)
return self.paligemma.model.language_model.get_input_embeddings()(tokens)
def forward(
self,
@@ -662,8 +662,7 @@ class PI05Pytorch(nn.Module): # see openpi `PI0Pytorch`
# Process language tokens
def lang_embed_func(tokens):
lang_emb = self.paligemma_with_expert.embed_language_tokens(tokens)
lang_emb_dim = lang_emb.shape[-1]
return lang_emb * math.sqrt(lang_emb_dim)
return lang_emb
lang_emb = self._apply_checkpoint(lang_embed_func, tokens)
embs.append(lang_emb)