From 15b394da86d196a3b959853622afdb71d5453998 Mon Sep 17 00:00:00 2001
From: Joao Vieira <joao.vieira@vilt-group.com>
Date: Thu, 6 Oct 2016 15:09:31 +0100
Subject: [PATCH] Fix #117 to allow for no subnets via file (-s)

This should fix an issue introduced in #117 where when no subnets are
given via file (-s file) the variable is None instead of an empty list
and the concatenation with the subnets given as positional parameters
fails.
---
 sshuttle/options.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sshuttle/options.py b/sshuttle/options.py
index baf10ec..9eec931 100644
--- a/sshuttle/options.py
+++ b/sshuttle/options.py
@@ -270,6 +270,7 @@ parser.add_argument(
     metavar="PATH",
     action=Concat,
     dest="subnets_file",
+    default=[],
     type=parse_subnet_file,
     help="""
     file where the subnets are stored, instead of on the command line