jayvdb added a comment.

In https://phabricator.wikimedia.org/T66878#937683, @droid wrote:

In core/family.py class Family couldn't find 'doc_subpages'. In compat documentsubpage variable is defined though.

You'll find the relevant code using $ git grep doc_subpages

TASK DETAIL https://phabricator.wikimedia.org/T66878

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To: jayvdb Cc: pywikipedia-bugs, valhallasw, jayvdb, droid