# NoOutputParser

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/retrievers/document_compressors/chain_extract/NoOutputParser)

Parse outputs that could return a null string of some sort.

## Signature

```python
NoOutputParser()
```

## Extends

- `BaseOutputParser[str]`

## Properties

- `no_output_str`

## Methods

- [`parse()`](https://reference.langchain.com/python/langchain-classic/retrievers/document_compressors/chain_extract/NoOutputParser/parse)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/b302691ff9ad841804e93e5addbdc53b6974473b/libs/langchain/langchain_classic/retrievers/document_compressors/chain_extract.py#L28)