validate_messages¶
- torchtune.data.validate_messages(messages: List[Message]) None[source]¶
Given a list of messages, ensure that messages form a valid back-and-forth conversation. An error will be raised if:
There is a system message that’s not the first message
There are two consecutive user messages
An assistant message comes before the first user message
The message is empty
Messages are shorter than length of 2 (min. one user-assistant turn)
- Parameters:
messages (List[Message]) – the messages to validate.
- Raises:
ValueError – If the messages are invalid.
