From 10d26806d9eb88d063e53ac5acd4a89582e83538 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Fri, 29 Apr 2016 12:52:27 +0200
Subject: [PATCH] fix #1175

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

diff --git a/lib/mnemonic.py b/lib/mnemonic.py
index aa51e0604..6ebc7870f 100644
--- a/lib/mnemonic.py
+++ b/lib/mnemonic.py
@@ -106,7 +106,8 @@ class Mnemonic(object):
     # Seed derivation no longer follows BIP39
     # Mnemonic phrase uses a hash based checksum, instead of a wordlist-dependent checksum
 
-    def __init__(self, lang='en'):
+    def __init__(self, lang=None):
+        lang = lang or 'en'
         print_error('language', lang)
         filename = filenames.get(lang[0:2], 'english.txt')
         path = os.path.join(os.path.dirname(__file__), 'wordlist', filename)