# get_pydantic_major_version

> **Function** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/utils/pydantic/get_pydantic_major_version)

Get the major version of Pydantic.

## Signature

```python
get_pydantic_major_version() -> int
```

## Returns

`int`

The major version of Pydantic.

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/ee95ad6907f5eab94644183393a20aa2a032bb19/libs/langchain/langchain_classic/utils/pydantic.py#L4)