Cannot assign "'": "Description.des" must be a "item" instance

Пишу интернет-магазин, данные предварительно парсились и записывались в массив, было создано 2 модели для отображения характеристик товара и для редактирования названия характеристик, но у меня выходит ошибка

Cannot assign "'Смартфон SAMSUNG Galaxy S21 Ultra 12/256 Gb Dual Sim Phantom Black (SM-G998BZKGSEK)'": "Description.des" must be a "item" instance

models.py

class item(models.Model):
    name = models.CharField(max_length=100)
    price = models.TextField(max_length=100)
    reviews = models.TextField(max_length=100)
    category = models.CharField(max_length=250)
    full_url = models.CharField(max_length=1500)
    image_urls = models.CharField(max_length=1500)

    def __str__(self):
        return self.name
class Review(models.Model):
    rev = models.ForeignKey(item, on_delete=CASCADE)
    name = models.CharField(max_length=100)
    text = models.CharField(max_length=100)
    itemid = models.CharField(max_length=50)

class DescriptionOption(models.Model):
    nameInfo = models.CharField(max_length=500)
    infoItem = models.CharField(max_length=500)
    def __str__(self):
        return self.nameInfo
class Description(models.Model):
    des = models.ForeignKey(item, on_delete=CASCADE)
    nameD = models.ForeignKey(DescriptionOption, on_delete=CASCADE)
    infoD = models.CharField(max_length=500)

views.py

def current_item(request, item_id):
    
    a = item.objects.get(id = item_id)
    MainDescriptionList = []
    MainInfoList = []
    ReviewsAuthorList = []
    ReviewsTextList = []


    link = item.objects.get(id=item_id).full_url
    res = req.get(link, headers={'User-Agent': UserAgent().chrome})
    html = BeautifulSoup(res.text, 'html.parser')
    MainDescription = html.select('.page .product-img__specs ul li label')

    for x in MainDescription:
        MainDescriptionList.append(x.text) 

    i = -1
    for MainDescription in MainDescriptionList:
        DescriptionOption.objects.create(nameInfo=MainDescription, infoItem=item.objects.get(id=item_id).category)

    MainInfo = html.select('.page .product-img__specs ul li p')

    for x in MainInfo:
        MainInfoList.append(x.text)
    cat = item.objects.get(id=item_id).category
    
    for MainDescription in MainInfoList:
        Description.objects.create(des=item.objects.get(id=item_id).name, nameD=DescriptionOption.objects.filter(infoItem=cat), infoD=MainDescription)
    i = -1
    while i < len(MainDescriptionList):
        i+=1
        if i == len(MainDescriptionList):
            break
        else:
            pass

Вернуться на верх