# 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,
)
```

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[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/55ec2f21939ce7755e6398c11b541de8926245ee/libs/cli/langgraph_cli/util.py#L8)