# libtmux.exc.DeprecatedError.__init__

- **Module:** libtmux.exc.DeprecatedError
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/exc.py#L80
- **Page:** https://libtmux.org/reference/py/libtmux-exc-deprecatederror-__init__/

```
libtmux.exc.DeprecatedError.__init__(self, deprecated: str, replacement: str, version: str) -> None
```