Fix GroupModel.php notice, a=hcrris

Author Chris Pollett <chris@pollett.org>
Author date 2020-08-11 05:Aug:th
Author local date 2020-08-10 22:Aug:th -0700
Committer Chris Pollett <chris@pollett.org>
Committer date 2020-08-11 05:Aug:th
Committer local date 2020-08-10 22:Aug:th -0700
Commit 3f850498ec99c1ed933c4581d96f75d1a7493742
Tree f40ff59aa8155e61594b700e6faf9bdea8e3d707
Parent 6a369e8cab0df07f31eb14e49995d95da0dc5d4e
Fix GroupModel.php notice, a=hcrris
Affected files:
src/models/GroupModel.php
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