# OMG
    prev_qs = TaskPlace.objects.filter(
        Q(  
            Q(place__address__lt=taskplace.place.address) |
            Q(  
                Q(place__address=taskplace.place.address) &
                Q(place__id__lt=taskplace.place.id)
            )   
        ), task=task, status=taskplace.status). order_by(
            'place__address', 'place__code')

    next_qs = TaskPlace.objects.filter(
        Q(  
            Q(place__address__gt=taskplace.place.address) |
            Q(  
                Q(place__address=taskplace.place.address) &
                Q(place__id__gt=taskplace.place.id)
            )   
        ), task=task, status=taskplace.status). order_by(
            'place__address', 'place__code')