<p>Um, no…I would look for “consistently produces high quality work” or at the least “is a pleasure to have in class.”</p>
<p>Edit: and it is unfair to put a teacher on the spot if you have reason to believe they may have reservations about recommending your student. And a comment like that is telegraphing the reservation the teacher has–basically he or she is saying the student lacks the focus or discipline to do work he or she does not find interesting.</p>