diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/misc/migration/3.10.0_common.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/misc/migration/3.10.0_common.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,1 @@
+option_group_changed('cleanup-session-time', 'web', 'main')