Added a missing 404 response

- Legacy-Id: 18334

ietf/meeting/views.py

@@ -203,10 +203,13 @@ def materials_document(request, document, num=None, ext=None):
     # This view does not allow the use of DocAliases. Right now we are probably only creating one (identity) alias, but that may not hold in the future.
     doc = Document.objects.filter(name=name).first()
     # Handle edge case where the above name, rev splitter misidentifies the end of a document name as a revision mumber
-    if rev and not doc:
-        name = name + '-' + rev
-        rev = None
-        doc = get_object_or_404(Document, name=name)
+    if not doc:
+        if rev:
+            name = name + '-' + rev
+            rev = None
+            doc = get_object_or_404(Document, name=name)
+        else:
+            raise Http404("No such document")
 
     if not doc.meeting_related():
         raise Http404("Not a meeting related document")