# get_release_time

> **Function** in `deepagents_code`

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

Return the cached ISO-8601 upload time for `version`, or `None`.

Only versions captured during a prior `get_latest_version` call are
available; unknown versions, or a `None` input, return `None`.

## Signature

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

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/a98f0dfa8d534d8a1885b524632400e52db22ac6/libs/code/deepagents_code/update_check.py#L370)