Arpwitch dependency OuiLookup v0.3.1 throws ModuleNotFoundError: No module named 'OuiLookup'

Occurs because Arpwitch does not pin the OuiLookup version.

Workaround is to install the previous OuiLookp version until Arpwitch is updated
```shell
pip install ouilookup==0.2.4
```