From 84665c2e595ce56614a8774160867b711c4bb170 Mon Sep 17 00:00:00 2001
From: NotoriousRebel <matt12299@yahoo.com>
Date: Tue, 24 Dec 2019 00:06:34 -0500
Subject: [PATCH] Fixed small bug.

---
 theHarvester/discovery/certspottersearch.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/theHarvester/discovery/certspottersearch.py b/theHarvester/discovery/certspottersearch.py
index 8f46d1c9..7ea93db4 100644
--- a/theHarvester/discovery/certspottersearch.py
+++ b/theHarvester/discovery/certspottersearch.py
@@ -23,7 +23,7 @@ async def do_search(self) -> None:
             elif isinstance(response, dict):
                 self.totalhosts.update({response['dns_names'] if 'dns_names' in response.keys() else ''})
             else:
-                self.totalhosts.union('')
+                self.totalhosts.update({''})
         except Exception as e:
             print(e)