From 4a9ebd573dfa03a555edc19cb1920aaa8813c6c2 Mon Sep 17 00:00:00 2001
From: Oleksii Shevchuk <alxchk@gmail.com>
Date: Fri, 2 Dec 2016 15:52:19 +0200
Subject: [PATCH] Do not try to close zeroed socket

---
 pupy/network/lib/servers.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pupy/network/lib/servers.py b/pupy/network/lib/servers.py
index 4afb62e1..1c69e50f 100644
--- a/pupy/network/lib/servers.py
+++ b/pupy/network/lib/servers.py
@@ -260,4 +260,5 @@ class PupyUDPServer(object):
 
     def close(self):
         self.active=False
-        self.sock.close()
+        if self.sock:
+            self.sock.close()