Followed style guide for model attribute ordering.

docs/topics/db/examples/many_to_many.txt

@@ -17,22 +17,22 @@ objects, and a ``Publication`` has multiple ``Article`` objects:
     class Publication(models.Model):
         title = models.CharField(max_length=30)
 
-        def __str__(self):
-            return self.title
-
         class Meta:
             ordering = ('title',)
 
+        def __str__(self):
+            return self.title
+
     class Article(models.Model):
         headline = models.CharField(max_length=100)
         publications = models.ManyToManyField(Publication)
 
-        def __str__(self):
-            return self.headline
-
         class Meta:
             ordering = ('headline',)
 
+        def __str__(self):
+            return self.headline
+
 What follows are examples of operations that can be performed using the Python
 API facilities. Note that if you are using :ref:`an intermediate model
 <intermediary-manytomany>` for a many-to-many relationship, some of the related