# clean_empty_lines

> **Function** in `langgraph_cli`

📖 [View in docs](https://reference.langchain.com/python/langgraph-cli/util/clean_empty_lines)

## Signature

```python
clean_empty_lines(
    input_str: str,
)
```

---

[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/a529b9bede1f1b6ecada4f0cc0e5c4b83526e563/libs/cli/langgraph_cli/util.py#L6)