$ python
Python 3.5.1+ (default, Mar 30 2016, 22:46:26) 
[GCC 5.3.1 20160330] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from editquality.feature_lists.enwiki import damaging
>>> from revscoring.dependencies import dig
>>> list(dig(damaging))
[<datasource.revision.page.namespace.id>, <datasource.revision.parent.text>, <feature.1>, <datasource.revision.text>, <datasource.revision.user.info.groups>, <datasource.revision.user.id>, <datasource.revision.user.info.registration_str>, <datasource.revision.timestamp_str>, <datasource.revision.comment>]