Linting

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

registration/models.py

@@ -8,7 +8,7 @@ from django.core.mail import send_mail
 from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
 from django.template import loader
-from django.urls import reverse_lazy, reverse
+from django.urls import reverse, reverse_lazy
 from django.utils import timezone, translation
 from django.utils.crypto import get_random_string
 from django.utils.encoding import force_bytes
@@ -17,7 +17,6 @@ from django.utils.text import format_lazy
 from django.utils.translation import gettext_lazy as _
 from phonenumber_field.modelfields import PhoneNumberField
 from polymorphic.models import PolymorphicModel
-
 from tfjm import helloasso
 from tfjm.tokens import email_validation_token