Fix migration

Erreur dans la numérotation

gestioncof/migrations/0004_registration_mail.py

@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import migrations, models
+from django.db import migrations
+
 
 def create_mail(apps, schema_editor):
     CustomMail = apps.get_model("gestioncof", "CustomMail")
@@ -19,10 +20,11 @@ def create_mail(apps, schema_editor):
                     + "{{ prenom }} \t prénom de la personne.")
         ])
 
+
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('gestioncof', '0002_enable_unprocessed_demandes'),
+        ('gestioncof', '0003_event_image.py'),
     ]
 
     operations = [