Проверка того, что пользователь уже отправил форму в Django

class Attest(models.Model):
    CURRENT_STATUS = (
        ('yes', 'Yes'),
        ('no', 'No')
    )
    owner = models.ForeignKey(Profile, null=True, blank=True, on_delete=models.CASCADE)
    value =models.CharField(max_length=200, choices=CURRENT_STATUS, default="no")
    created = models.DateTimeField(auto_now_add=True)
    id = models.UUIDField(default =uuid.uuid4, unique=True, primary_key=True, editable=False)

class AttestForm(ModelForm):
    class Meta:
        model = Attest
        fields =['value'] 
        widgets = {
            'value': forms.RadioSelect()
        }  

{% if request.user.profile.id in ..attesters %}
            <p>you have already submitted your reponse!</p>
            {% elif request.user.is_authenticated %}
            <h3>1.  Supplier code of conduct</h3>
            <p>1.1  The Supplier Code of Conduct <strong>(hereinafter referred to as the 'Code') </strong>defines minimum standards that our suppliers and anyone under their 

from django import forms
from django.db import models
import uuid


from users.models import Profile
# Create your models here.




class Attest(models.Model):
CURRENT_STATUS = (
    ('yes', 'Yes'),
    ('no', 'No')
)
owner = models.ForeignKey(Profile, null=True, blank=True, on_delete=models.CASCADE)
value =models.CharField(max_length=200, choices=CURRENT_STATUS, default="no")
created = models.DateTimeField(auto_now_add=True)
id = models.UUIDField(default =uuid.uuid4, unique=True, primary_key=True, editable=False)

class Meta:
    unique_together = [['owner']]

def __str__(self):
    return self.value

@property
def attesters(self):
queryset = self.attest_set.all().values_list('owner__id', flat=True)
return queryset

>>> profile = Profile.objects.get(username="ichinexx@xxxxx.com")
>>> print(profile)
ichinexx@xxxxx.com"     
>>> print(profile.attest_set.all())  
<QuerySet [<Attest: yes>]>
>>>