# SequenceNotStr

> **Class** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/_types/SequenceNotStr)

## Signature

```python
SequenceNotStr()
```

## Extends

- `Protocol[_T_co]`

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/d6cd6082f09e7826a2d6afe444ae6119e61b82a6/python/langsmith/_openapi_client/_types.py#L261)