From 7858df784796528bbe989de701d839f0794c75c0 Mon Sep 17 00:00:00 2001
From: "Val Erastov (xibyte)" <xibyte@gmail.com>
Date: Wed, 18 Mar 2020 22:12:57 -0700
Subject: [PATCH] fix infinite loop

---
 web/app/sketcher/constr/AlgNumSystem.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/app/sketcher/constr/AlgNumSystem.js b/web/app/sketcher/constr/AlgNumSystem.js
index 30c53d0b..a2f42983 100644
--- a/web/app/sketcher/constr/AlgNumSystem.js
+++ b/web/app/sketcher/constr/AlgNumSystem.js
@@ -270,7 +270,7 @@ export class AlgNumSubSystem {
                 });
               }
             }
-            if (transaction) {
+            if (transaction && transaction.functionList.length !== 0) {
               transaction();
               requirePass = true;
             }