Changed the comments post view code to avoid raising an exception if handed invalid data for the object pk. Thanks to Leo for the test.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12800 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/comment_tests/models.py

@@ -28,3 +28,7 @@ class Entry(models.Model):
 
     def __str__(self):
         return self.title
+
+class Book(models.Model):
+    dewey_decimal = models.DecimalField(primary_key = True, decimal_places=2, max_digits=5)
+