when i used this domain rulein "Personal leads" rule under "see own leads" group, so that users can also see those leads that they follow with leads they own i got an error,
domai rule :
['|',('user_id','=',user.id),('user_id','=',user.message_follower_ids)]
error:
"Invalid value %r in domain term %r" % (right, leaf)
AssertionError: Invalid value mail.followers(10,) in domain term ('user_id', '=', mail.followers(10,))