fix models

tests/migrations/0001_initial.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Group',
+            fields=[
+                ('id', models.AutoField(primary_key=True, verbose_name='ID', auto_created=True, serialize=False)),
+                ('name', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Number',
+            fields=[
+                ('id', models.AutoField(primary_key=True, verbose_name='ID', auto_created=True, serialize=False)),
+                ('number', models.CharField(max_length=10)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Person',
+            fields=[
+                ('id', models.AutoField(primary_key=True, verbose_name='ID', auto_created=True, serialize=False)),
+                ('name', models.CharField(max_length=100)),
+                ('friends', models.ManyToManyField(to='tests.Person', related_name='friends_rel_+')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SSN',
+            fields=[
+                ('id', models.AutoField(primary_key=True, verbose_name='ID', auto_created=True, serialize=False)),
+                ('number', models.CharField(max_length=10)),
+                ('person', models.OneToOneField(to='tests.Person')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='number',
+            name='person',
+            field=models.ForeignKey(to='tests.Person', related_name='numbers'),
+        ),
+        migrations.AddField(
+            model_name='group',
+            name='people',
+            field=models.ManyToManyField(to='tests.Person'),
+        ),
+    ]

tests/models.py

@@ -12,7 +12,7 @@ class Number(models.Model):
 
 
 class SSN(models.Model):
-    person = models.OneToOneField(Person)
+    person = models.OneToOneField(Person, related_name='ssn')
     number = models.CharField(max_length=10)