Fixed #19283 -- Fixed typo in imports in CBV docs.

docs/ref/class-based-views/generic-editing.txt

@@ -16,8 +16,8 @@ editing content:
     has been defined. For these cases we assume the following has been defined
     in `myapp/models.py`::
 
-        from django import models
         from django.core.urlresolvers import reverse
+        from django.db import models
 
         class Author(models.Model):
             name = models.CharField(max_length=200)