Specify on_delete everywhere

gestion/migrations/0001_initial.py

@@ -1,6 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.db import migrations, models
 from django.conf import settings
 
@@ -23,7 +20,14 @@ class Migration(migrations.Migration):
                 ('slug', models.CharField(max_length=7, editable=False, unique=True)),
                 ('doodlename', models.CharField(blank=True, max_length=30, verbose_name='Nom pour le doodle')),
                 ('mails', models.BooleanField(verbose_name='Recevoir les mails', default=True)),
-                ('user', models.OneToOneField(to=settings.AUTH_USER_MODEL, related_name='profile')),
+                (
+                    'user',
+                    models.OneToOneField(
+                        to=settings.AUTH_USER_MODEL,
+                        on_delete=models.CASCADE,
+                        related_name='profile'
+                    )
+                ),
             ],
             options={
                 'verbose_name': 'Profil Ernestophoniste',

gestion/models.py

@@ -5,7 +5,7 @@ from django.contrib.auth.models import User
 
 
 class ErnestoUser(models.Model):
-    user = models.OneToOneField(User, related_name="profile")
+    user = models.OneToOneField(User, on_delete=models.CASCADE, related_name="profile")
     is_ernesto = models.BooleanField("Membre de l'Ernestophone", default=True)
     is_chef = models.BooleanField("Chef Fanfare", default=False)
     phone = models.CharField("Téléphone", max_length=20, blank=True)