From 0aa9ab53d19ef6afa434313774e093d53a9ff33f Mon Sep 17 00:00:00 2001
From: grossmj <grossmj@gns3.net>
Date: Fri, 7 Sep 2018 09:34:17 +0200
Subject: [PATCH] Import encodings.idna to avoid LookupError when standard
 library is in a zip file.

---
 gns3server/web/web_server.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gns3server/web/web_server.py b/gns3server/web/web_server.py
index 25427af4..80cd2bbe 100644
--- a/gns3server/web/web_server.py
+++ b/gns3server/web/web_server.py
@@ -29,6 +29,10 @@ import functools
 import time
 import atexit
 
+# Import encoding now, to avoid implicit import later.
+# Implicit import within threads may cause LookupError when standard library is in a ZIP
+import encodings.idna
+
 from .route import Route
 from ..config import Config
 from ..compute import MODULES