def METHOD_NAME(db, client, username, password):
    client.login(username=username, password=password)
    instances = Section.objects.all()
    for instance in instances:
        url = reverse(urlnames['detail'], args=[instance.pk])
        data = {
            'uri_prefix': instance.uri_prefix,
            'key': instance.key,
            'comment': instance.comment,
            'catalog': instance.catalog.pk,
            'order': instance.order,
            'title_en': instance.title_lang1,
            'title_de': instance.title_lang2
        }
        response = client.put(url, data, content_type='application/json')
        assert response.status_code == status_map['update'][username], response.json()