@classmethod<EOL><INDENT>def create_reset_score(cls, student_item):<DEDENT>
<EOL>return cls.objects.create(<EOL>student_item=student_item,<EOL>submission=None,<EOL>points_earned=<NUM_LIT:0>,<EOL>points_possible=<NUM_LIT:0>,<EOL>reset=True,<EOL>)<EOL>
Create a "reset" score (a score with a null submission).

Only scores created after the most recent "reset" score
should be used to determine a student's effective score.

Args:
    student_item (StudentItem): The student item model.

Returns:
    Score: The newly created "reset" score.

Raises:
    DatabaseError: An error occurred while creating the score