The final submission for Project 1 doesn't test whether sort_hand is being used. For example, this submission got full credit without using sort_hand in play_round: https://udel.instructure.com/courses/1870952/gradebook/speed_grader?assignment_id=13874342&student_id=6758082
Assignment: 1227 (5.9) Testing play_round()), User: 1887305 (Iris Zhang), Course: 4718 (25F-CISC106)
Here's their code-review submission, in case it becomes relevant: https://udel.instructure.com/courses/1870952/gradebook/speed_grader?assignment_id=13874344&student_id=6758082