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Update docstring about tool messages in prepare_multimodal_messages #5476

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albertvillanova merged 1 commit into from
Apr 8, 2026
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Update docstring about tool messages in prepare_multimodal_messages #5476

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2 changes: 0 additions & 2 deletions trl/data_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,8 +53,6 @@ def prepare_multimodal_messages(messages: list[dict[str, Any]], images: list | N
the function transforms them into the structured format by wrapping text in `{"type": "text", "text": ...}`
and inserting `{"type": "image"}` placeholders for the images *before* the first user message.
If the number of placeholders does not match the number of provided images, an error is raised.
- When the input `messages` contains either `"tool_calls"` in the `"assistant"` turns, or `"tool"` roles with
`"content"` and `"name"` those are left as-is, since those don't require any specific handling for multimodal data.

Example:
```python
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