Specify the on_delete strategy

- Remove an absurd debug line in the migration
- Specify the on_delete strategy for the club-related models

gestion/migrations/0002_club_support.py

@@ -64,7 +64,6 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(lambda: 1/0),
         migrations.CreateModel(
             name='Club',
             fields=[
@@ -82,8 +81,12 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(primary_key=True, verbose_name='ID', auto_created=True, serialize=False)),
                 ('is_respo', models.BooleanField(verbose_name='Est responsable du club')),
                 ('has_paid', models.BooleanField(verbose_name='A payé sa cotisation')),
-                ('club', models.ForeignKey(to='gestion.Club')),
-                ('user', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
+                ('club', models.ForeignKey(
+                    to='gestion.Club',
+                    on_delete=models.CASCADE)),
+                ('user', models.ForeignKey(
+                    on_delete=models.CASCADE,
+                    to=settings.AUTH_USER_MODEL)),
             ],
         ),
         migrations.AddField(

gestion/models.py

@@ -96,7 +96,7 @@ class Club(models.Model):
 
 
 class ClubUser(models.Model):
-    user = models.ForeignKey(User)
-    club = models.ForeignKey(Club)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    club = models.ForeignKey(Club, on_delete=models.CASCADE)
     is_respo = models.BooleanField(_("Est responsable du club"))
     has_paid = models.BooleanField(_("A payé sa cotisation"))