Enable the templatetag doctests. The cause of the (cryptic) failures after [787] is fixed with [789].

 - Legacy-Id: 790
Note: SVN reference [787] has been migrated to Git commit d6f2896

Note: SVN reference [789] has been migrated to Git commit 8c6de10

Author: levkowetz

ietf/idtracker/models.py

@@ -912,7 +912,6 @@ def testDoctest(self):
         # doctests in models.py will be automatically tested when running
         # django's 'test' command, but for other modules we need to make a
         # bit of extra effort to have doctests run.
-        #import doctest
-        #import templatetags.ietf_filters
-        #doctest.testmod(templatetags.ietf_filters)
-        pass
+        import doctest
+        import templatetags.ietf_filters
+        doctest.testmod(templatetags.ietf_filters)