Add missing constraint.

[wolnelektury.git] / src / oai / handlers.py

diff --git a/src/oai/handlers.py b/src/oai/handlers.py
index 54a0a20..d90a560 100644 (file)
--- a/src/oai/handlers.py
+++ b/src/oai/handlers.py
@@ -89,7 +89,7 @@ class Catalogue(common.ResumptionOAIPMH):
         md = wl_dc_reader(xml)
         m = md.getMap()
         if book.parent:
-            m['isPartOf'] = [str(WLURI.from_slug(book.parent.slug))]
+            m['isPartOf'] = [str(WLURI(book.parent.slug))]
         return m
 
     def record_for_book(self, book, headers_only=False):