Fixes ruff not running isort against the codebase

src/documents/migrations/0003_sender.py

@@ -1,10 +1,9 @@
 # Generated by Django 1.9 on 2016-01-11 12:21
 
-from django.db import migrations, models
-from django.template.defaultfilters import slugify
-
 import django.db.models.deletion
-
+from django.db import migrations
+from django.db import models
+from django.template.defaultfilters import slugify
 
 DOCUMENT_SENDER_MAP = {}