# ToolRequirementIntrospectionError

> **Class** in `deepagents_code`

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

Raised when uv tool requested requirements cannot be preserved.

## Signature

```python
ToolRequirementIntrospectionError()
```

## Extends

- `RuntimeError`

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/e14e0adcbe78565ed3650e7f24b2a775d5437d25/libs/code/deepagents_code/update_check.py#L2299)