Fix testproj people app

testproj/people/models.py

@@ -7,5 +7,4 @@ class Identity(models.Model):
 
 
 class Person(models.Model):
-    Identity = models.OneToOneField(Identity, related_name='person',
-                                    on_delete=models.PROTECT)
+    identity = models.OneToOneField(Identity, related_name='person', on_delete=models.PROTECT)

testproj/people/serializers.py

@@ -10,7 +10,7 @@ class IdentitySerializer(serializers.ModelSerializer):
 
 
 class PersonSerializer(serializers.ModelSerializer):
-    identity = IdentitySerializer(read_only=True)
+    identity = IdentitySerializer()
 
     class Meta:
         model = Person