Fixed integrity issues with on_delete for customuser

stude/student_status/migrations/0005_alter_studentstatus_subject.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.2.2 on 2023-07-04 10:01
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('subjects', '0002_subjectstudent_subject_students'),
+        ('student_status', '0004_alter_studentstatus_study_group'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='studentstatus',
+            name='subject',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='subjects.subject'),
+        ),
+    ]