def uniq(seq):
    seen = set()
    seen_add = seen.add
    return [x for x in seq if x not in seen and not seen_add(x)]
function to format the answer, which can be passed in
dataset/ETHPy150Open miracle2k/django-assets/django_assets/loaders.py/uniq--crossover with--dataset/ETHPy150Open sahana/eden/modules/s3db/survey.py/S3QuestionTypeAbstractWidget.repr