diff --git a/aleksis/core/mixins.py b/aleksis/core/mixins.py
index 0715c7199e6e503d84d4fe7bf1feb68115afad1d..74d1c2aeb72c9a745cf5040063096fe1bffc3add 100644
--- a/aleksis/core/mixins.py
+++ b/aleksis/core/mixins.py
@@ -14,7 +14,7 @@ from django.db import models
 from django.db.models import JSONField, QuerySet
 from django.db.models.fields import CharField, TextField
 from django.forms.forms import BaseForm
-from django.forms.models import fields_for_model, ModelForm, ModelFormMetaclass
+from django.forms.models import ModelForm, ModelFormMetaclass, fields_for_model
 from django.http import HttpResponse
 from django.utils.functional import classproperty, lazy
 from django.utils.translation import gettext as _