From 24931745105f389b03de2811cb9d62a450f0efe3 Mon Sep 17 00:00:00 2001
From: Matt Smith <matt@offtopica.uk>
Date: Fri, 1 May 2020 17:54:48 +0100
Subject: [PATCH] Revert "implement Happy Eyeballs"

This reverts commit 0d5496ba0a21aa6df5d10391af01d5017fb973bf.
---
 offlineimap/imaplibutil.py | 10 +---------
 requirements.txt           |  1 -
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/offlineimap/imaplibutil.py b/offlineimap/imaplibutil.py
index 86b1cb9..6ebe8d8 100644
--- a/offlineimap/imaplibutil.py
+++ b/offlineimap/imaplibutil.py
@@ -19,7 +19,6 @@ import fcntl
 import time
 import subprocess
 import threading
-import rfc6555
 import socket
 import errno
 import zlib
@@ -79,15 +78,8 @@ class UsefulIMAPMixIn(object):
     def open_socket(self):
         """open_socket()
         Open socket choosing first address family available."""
-        if self.af == socket.AF_UNSPEC:
-            # happy-eyeballs!
-            return rfc6555.create_connection((self.host, self.port))
-        else:
-            return self._open_socket_for_af(self.af)
-
-    def _open_socket_for_af(self, af):
         msg = (-1, 'could not open socket')
-        for res in socket.getaddrinfo(self.host, self.port, af, socket.SOCK_STREAM):
+        for res in socket.getaddrinfo(self.host, self.port, self.af, socket.SOCK_STREAM):
             af, socktype, proto, canonname, sa = res
             try:
                 # use socket of our own, possiblly socksified socket.
diff --git a/requirements.txt b/requirements.txt
index 1e2a2ae..3b1819e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,3 @@
 six
 gssapi[kerberos]
 portalocker[cygwin]
-rfc6555
-- 
2.26.2