Fix failing 'default' on ModelSerializer

rest_framework/serializers.py

@@ -410,7 +410,7 @@ class ModelSerializer(Serializer):
         kwargs = {}
         if model_field.has_default():
             kwargs['required'] = False
-            kwargs['default'] = model_field.default
+            kwargs['default'] = model_field.get_default()
 
         if model_field.__class__ == models.TextField:
             kwargs['widget'] = widgets.Textarea

rest_framework/tests/serializer.py

@@ -42,6 +42,7 @@ class ActionItemSerializer(serializers.ModelSerializer):
     class Meta:
         model = ActionItem
 
+
 class BasicTests(TestCase):
     def setUp(self):
         self.comment = Comment(
@@ -131,7 +132,7 @@ class ValidationTests(TestCase):
         """Make sure that a boolean value with a 'False' value is not
         mistaken for not having a default."""
         data = {
-            'title':'Some action item',
+            'title': 'Some action item',
             #No 'done' value.
         }
         serializer = ActionItemSerializer(data, instance=self.actionitem)
@@ -296,10 +297,12 @@ class ManyToManyTests(TestCase):
         self.assertEquals(instance.pk, 2)
         self.assertEquals(list(instance.rel.all()), [])
 
+
 class ReadOnlyManyToManyTests(TestCase):
     def setUp(self):
         class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
             rel = serializers.ManyRelatedField(readonly=True)
+
             class Meta:
                 model = ReadOnlyManyToManyModel
 
@@ -317,7 +320,6 @@ class ReadOnlyManyToManyTests(TestCase):
         # A serialized representation of the model instance
         self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}
 
-
     def test_update(self):
         """
         Attempt to update an instance of a model with a ManyToMany