def get_next_assessment(assessment):
    """
    Find the next assessment in list (ordered alphabetically)
    """
    assessments = list(assessment.workshop.assessment_set.all().order_by('player__user__last_name', 'player__user__first_name'))
    index = assessments.index(assessment)
    if index == len(assessments) - 1:
        return None
    return assessments[index + 1]