Allow Cohort with no students

Author: nikolas

econplayground/main/migrations/0130_alter_cohort_students.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.2.4 on 2025-07-17 14:19
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0129_cohort_students_alter_cohort_instructors'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='cohort',
+            name='students',
+            field=models.ManyToManyField(blank=True, related_name='courses_enrolled', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

econplayground/main/models.py

@@ -40,7 +40,8 @@ class Cohort(models.Model):
     deployment_id = models.CharField(max_length=256, blank=True, default='')
 
     instructors = models.ManyToManyField(User, related_name='courses_taught')
-    students = models.ManyToManyField(User, related_name='courses_enrolled')
+    students = models.ManyToManyField(User, related_name='courses_enrolled',
+                                      blank=True)
 
     is_sample = models.BooleanField(null=True, blank=True, unique=True)
     is_archived = models.BooleanField(default=False)