Index: openacs-4/packages/evaluation/www/admin/grades/distribution-edit-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/evaluation/www/admin/grades/distribution-edit-2.tcl,v
diff -u -N -r1.5 -r1.5.2.1
--- openacs-4/packages/evaluation/www/admin/grades/distribution-edit-2.tcl	7 Aug 2017 23:48:10 -0000	1.5
+++ openacs-4/packages/evaluation/www/admin/grades/distribution-edit-2.tcl	16 Jun 2019 12:33:40 -0000	1.5.2.1
@@ -17,7 +17,7 @@
 	    if { ![info exists weights($id)] } {
 		ad_complain "The task weight can't be null"
 	    } else {
-		if { ![ad_var_type_check_number_p $weights($id)] } {
+		if { ![string is double -strict $weights($id)] } {
 		    ad_complain "The task weight $weights($id) must be a valid number"
 		}