Index: openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl,v
diff -u -r1.67.2.53 -r1.67.2.54
--- openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl	24 Nov 2022 19:26:45 -0000	1.67.2.53
+++ openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl	22 Dec 2022 02:51:37 -0000	1.67.2.54
@@ -2049,7 +2049,7 @@
 
   ad_proc -private request_monitor_user_info {key} {
   } {
-    if {[string is integer $key]} {
+    if {[nsf::is integer $key]} {
       #
       # It looks like a user_id
       #