Как перевести на другой язык динамические формы

С помощью gettext_lazy() все переводится в шаблонах. Как перевести именно в полях delivery and payment DELIVERY_CHOISES = ( ('self', 'Самовывоз'), ('dhl or dpd', 'Доставка по Польше +25 Zl.'), ('europe', 'Доставка по Европе +120 Zl.') ) PAYMENT = ( ("cash", 'Наличные'), ('Cash on delivery', 'Наложеный платеж'), ('Visa, Mastercard', 'Visa, Mastercard')

from web.models import Product

STATUS_CHOICES = (
    ("Started", "Started"),
    ("Finished", "Finished"),)

DELIVERY_CHOISES = (
    ('self', 'Самовывоз'),
    ('dhl or dpd', 'Доставка по Польше +25 Zl.'),
    ('europe', 'Доставка по Европе +120 Zl.')
)

PAYMENT = (
    ("cash", 'Наличные'),
    ('Cash on delivery', 'Наложеный платеж'),
    ('Visa, Mastercard', 'Visa, Mastercard')
)



class Order(models.Model):
    status = models.CharField(max_length=100, choices=STATUS_CHOICES, default="Started")
    first_name = models.CharField(max_length=50)
    last_name = models.CharField(max_length=50)
    phone = models.CharField(max_length=20)
    email = models.EmailField()
    postal_code = models.CharField(max_length=20)
    address = models.CharField(max_length=250)
    delivery = models.CharField(max_length=100, choices=DELIVERY_CHOISES)
    payment = models.CharField(max_length=100, choices=PAYMENT)
    created = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)
    nip = models.CharField(max_length=10, blank=True)
    postal_code2 = models.CharField(max_length=20, blank=True)
    street = models.CharField(max_length=50, blank=True)
    city = models.CharField(max_length=50, blank=True)
    privacy = models.BooleanField(default=True)

    class Meta:
        ordering = ('-created',)
        verbose_name = 'Заказ'
        verbose_name_plural = 'Заказы'

    def __str__(self):
        return 'Order {}'.format(self.id)


class OrderItem(models.Model):
    order = models.ForeignKey(Order, related_name='items', on_delete=models.CASCADE)
    product = models.ForeignKey(Product, related_name='order_items', on_delete=models.CASCADE)
    number = models.CharField(max_length=30)
    quantity = models.PositiveIntegerField(default=1)
    total_price = models.DecimalField(max_digits=10, decimal_places=2)

    def __str__(self):
        return '{}'.format(self.id)




from django import forms
from .models import Order


class OrderCreateForm(forms.ModelForm):
    class Meta:
        model = Order
        fields = ['first_name', 'last_name', 'phone', 'email', 'postal_code',
                  'address', 'delivery', 'payment','postal_code2', 'nip',
                  'street', 'city',
                  'privacy']