Cannot install purlcli on Mac

```
pipx install purldb-toolkit
installed package purldb-toolkit 0.1.0, installed using Python 3.14.0
These apps are now globally available
- purlcli
done! ✨ 🌟 ✨
```

```
purlcli --help
Traceback (most recent call last):
File "/Users/mvargena/.local/bin/purlcli", line 3, in
from purldb_toolkit.purlcli import purlcli
File "/Users/mvargena/.local/pipx/venvs/purldb-toolkit/lib/python3.14/site-packages/purldb_toolkit/purlcli.py", line 21, in
from packagedb.package_managers import VERSION_API_CLASSES_BY_PACKAGE_TYPE
ModuleNotFoundError: No module named 'packagedb'
```

```
python --version
Python 3.14.0
```

Mac OS 15.7.1