Fix exception when given a bad numeric ID for a WG (return 404 instead).

Add a testurl for the case that was failing on datatracker.
 - Legacy-Id: 744

Author: fenner

ietf/idindex/testurl.list

@@ -7,7 +7,7 @@
 200,sort		/drafts/rfc/?sort=name	https://datatracker.ietf.org/public/idindex.cgi?command=show_list&cat=rfc&sort=name
 200,skipdiff		/drafts/current/	https://datatracker.ietf.org/public/idindex.cgi?command=show_list&cat=current
 200,skipdiff		/drafts/all/		https://datatracker.ietf.org/public/idindex.cgi?command=show_list&cat=all
-200,sort		/drafts/dead/		https://datatracker.ietf.org/public/idindex.cgi?command=show_list&cat=dead
+200,sort		/drafts/dead/?sort=name		https://datatracker.ietf.org/public/idindex.cgi?command=show_list&cat=dead&sort=name
 200,skipdiff		/drafts/9574/related/	https://datatracker.ietf.org/public/idindex.cgi?command=view_related_docs&id=9574
 200			/drafts/draft-ietf-dnsext-dnssec-protocol/related/
 200			/drafts/9574/		https://datatracker.ietf.org/public/idindex.cgi?command=id_detail&id=9574
@@ -16,4 +16,4 @@
 200			/drafts/all_id.html
 200,skipdiff		/drafts/		https://datatracker.ietf.org/public/idindex.cgi?command=search_id
 200			/drafts/		https://datatracker.ietf.org/public/idindex.cgi
-
+404			/drafts/wg/11/

ietf/idindex/views.py

@@ -16,7 +16,7 @@
 def wgdocs(request, **kwargs):
     if kwargs.has_key('id'):
 	queryset = InternetDraft.objects.filter(group=kwargs['id'])
-	group = Acronym.objects.get(acronym_id=kwargs['id'])
+	group = get_object_or_404(Acronym, acronym_id=kwargs['id'])
     else:
 	wg = kwargs['slug']
 	try: