From b3d8af70e2f4bda0c9142c856040b2acff1bbf07 Mon Sep 17 00:00:00 2001
From: Denis Kasak <dkasak@termina.org.uk>
Date: Sun, 29 Sep 2019 13:13:30 +0200
Subject: [PATCH] Fix reference before assignment when no source is specified.

---
 theHarvester/__main__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/theHarvester/__main__.py b/theHarvester/__main__.py
index cbc255de..fdde6470 100644
--- a/theHarvester/__main__.py
+++ b/theHarvester/__main__.py
@@ -52,6 +52,7 @@ def start():
     dnslookup = args.dns_lookup
     dnsserver = args.dns_server
     dnstld = args.dns_tld
+    engines = []
     filename = args.filename  # type: str
     full = []
     google_dorking = args.google_dork