From c3454f0e79b35fb81b0426cfac4b801d4495b8ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Wirtel?= <stephane@wirtel.be>
Date: Wed, 24 May 2017 20:59:06 +0200
Subject: bpo-30394: Fix a socket leak in smtplib.SMTP.__init__() (#1700)
 (#1790)

---
 Lib/smtplib.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/smtplib.py b/Lib/smtplib.py
index f7c2c77..5e422b7 100755
--- a/Lib/smtplib.py
+++ b/Lib/smtplib.py
@@ -250,6 +250,7 @@ class SMTP:
         if host:
             (code, msg) = self.connect(host, port)
             if code != 220:
+                self.close()
                 raise SMTPConnectError(code, msg)
         if local_hostname is not None:
             self.local_hostname = local_hostname
-- 
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