# format_release_age_parenthetical

> **Function** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/update_check/format_release_age_parenthetical)

Return `" (released Nd ago)"` for `version`, or `""` when unknown.

## Signature

```python
format_release_age_parenthetical(
    version: str | None,
) -> str
```

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/1f5aa621cce7d89395d2db1533f81a299d059a7a/libs/code/deepagents_code/update_check.py#L397)