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[m_librarian.git] / m_librarian / db.py

diff --git a/m_librarian/db.py b/m_librarian/db.py
index b3ddd5211961196f282c411cfffe79acf9edada7..f65569cb6e37183922b4dc6ae4e88a51e5bfec00 100755 (executable)
--- a/m_librarian/db.py
+++ b/m_librarian/db.py
@@ -146,7 +146,9 @@ def open_db(db_uri=None):
 
     if connection.dbName == 'sqlite':
         def lower(s):
-            return s.lower()
+            if isinstance(s, basestring):
+                return s.lower()
+            return s
 
         sqlite = connection.module