chore(backend/users/migrations): alter bearertoken expires only if null

Signed-off-by: Thibault Camalon <[email protected]>

backend/users/migrations/0008_alter_bearertoken_expires_at.py

@@ -1,19 +1,17 @@
-# Generated by Django 4.2.3 on 2024-08-06 16:29
+# Generated by Django 4.2.5 on 2024-08-14 15:28
 
 import django.utils.timezone
 from django.db import migrations
-from django.db import models
+
+
+def set_default_expires_at(apps, schema_editor):
+    BearerToken = apps.get_model("users", "BearerToken")  # noqa
+    BearerToken.objects.filter(expires_at__isnull=True).update(expires_at=django.utils.timezone.now())
 
 
 class Migration(migrations.Migration):
     dependencies = [
         ("users", "0007_implicitbearertoken_id_and_more"),
     ]
 
-    operations = [
-        migrations.AlterField(
-            model_name="bearertoken",
-            name="expires_at",
-            field=models.DateTimeField(default=django.utils.timezone.now),
-        ),
-    ]
+    operations = [migrations.RunPython(set_default_expires_at)]