diff --git a/weboob/backends/dlfp/pages/board.py b/weboob/backends/dlfp/pages/board.py
index 0f65b06a..122feaeb 100644
--- a/weboob/backends/dlfp/pages/board.py
+++ b/weboob/backends/dlfp/pages/board.py
@@ -19,6 +19,7 @@
 
 
 import re
+from logging import warning
 
 from weboob.tools.browser import BasePage