def get_transcript_preferences(course_id):
    """
    Retrieves course wide transcript preferences

    Arguments:
        course_id (str): course id
    """
    try:
        transcript_preference = TranscriptPreference.objects.get(course_id=course_id)
    except TranscriptPreference.DoesNotExist:
        return

    return TranscriptPreferenceSerializer(transcript_preference).data
Retrieves course wide transcript preferences

    Arguments:
        course_id (str): course id