only preload the has_ associations (#2138)
only preload the has_ associations (#2138)


zooniverse/Panoptes,camallen/Panoptes,srallen/Panoptes,srallen/Panoptes,astopy/Panoptes,zooniverse/Panoptes,camallen/Panoptes,zooniverse/Panoptes,srallen/Panoptes,zooniverse/Panoptes,astopy/Panoptes,astopy/Panoptes,astopy/Panoptes,camallen/Panoptes,camallen/Panoptes,srallen/Panoptes