Index: openacs-4/packages/imsld/www/monitor-frame.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/imsld/www/monitor-frame.tcl,v
diff -u -r1.5 -r1.6
--- openacs-4/packages/imsld/www/monitor-frame.tcl	26 Apr 2018 08:56:38 -0000	1.5
+++ openacs-4/packages/imsld/www/monitor-frame.tcl	9 May 2018 15:33:31 -0000	1.6
@@ -30,7 +30,7 @@
 if { [string eq $self_p "f"] } {
     # display the list of users in order to chose one of them
     set role_instances [imsld::roles::get_role_instances -role_id $role_id -run_id $run_id]
-    set users_in_instances {}
+    set users_in_instances [list]
     foreach instance $role_instances {
         set users_in_instances [concat $users_in_instances [group::get_members -group_id $instance]]
     }
@@ -57,4 +57,4 @@
 }
 
 set page_title {}
-set context {}
+set context [list]