From 050da3c1b79acbf161353d83a1bf54a280420ca3 Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Mon, 15 Aug 2022 16:35:07 +0000
Subject: [PATCH] Ensure oops errors return a string. Fixes #2500

---
 nselib/oops.lua | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nselib/oops.lua b/nselib/oops.lua
index 0eafb2bbf..d070d5e08 100644
--- a/nselib/oops.lua
+++ b/nselib/oops.lua
@@ -45,6 +45,8 @@ local Oops = {
       -- Show just the top error
       return banner .. ": " .. self[1]
     end
+    -- By default, no string output shown.
+    return ""
   end,
 }