# libtmux.exc.InvalidOption.__str__

- **Module:** libtmux.exc.InvalidOption
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/9fdd083a8181a827889337b63cd4e6daea661a8c/src/libtmux/exc.py#L57
- **Page:** https://libtmux.org/en/py/latest/reference/libtmux-exc-invalidoption-__str__/

```
libtmux.exc.InvalidOption.__str__(self) -> str
```

Render with optional ``"<subcommand>: …"`` prefix.