diff -Nru spyder-3.0.2+dfsg1/debian/changelog spyder-3.0.2+dfsg1/debian/changelog
--- spyder-3.0.2+dfsg1/debian/changelog	2016-12-15 10:33:23.000000000 +0100
+++ spyder-3.0.2+dfsg1/debian/changelog	2017-02-09 22:58:47.000000000 +0100
@@ -1,3 +1,10 @@
+spyder (3.0.2+dfsg1-0ubuntu0.2) yakkety; urgency=medium
+
+  * Cherry-pick upstream fixes for bugs found on errors.ubuntu.com:
+    - fix Spyder language-setting-startUp when locale is unknown (LP: #1663397)
+
+ -- Benjamin Drung <bdrung@ubuntu.com>  Thu, 09 Feb 2017 22:58:47 +0100
+
 spyder (3.0.2+dfsg1-0ubuntu0.1) yakkety; urgency=medium
 
   * New upstream version, enables spyder to run on yakkety
diff -Nru spyder-3.0.2+dfsg1/debian/patches/0002-fix-Spyder-language-setting-startUp.patch spyder-3.0.2+dfsg1/debian/patches/0002-fix-Spyder-language-setting-startUp.patch
--- spyder-3.0.2+dfsg1/debian/patches/0002-fix-Spyder-language-setting-startUp.patch	1970-01-01 01:00:00.000000000 +0100
+++ spyder-3.0.2+dfsg1/debian/patches/0002-fix-Spyder-language-setting-startUp.patch	2017-02-09 22:58:20.000000000 +0100
@@ -0,0 +1,25 @@
+From f85f6ae25ff42039142431b29c706351c269486e Mon Sep 17 00:00:00 2001
+From: "Wallas Linux Deepin  15.03 Machine" <malliwi88@hotmail.com>
+Date: Wed, 16 Nov 2016 17:17:00 -0500
+Subject: [PATCH] fix Spyder language-setting-startUp
+
+---
+ spyder/config/base.py | 27 +++++++++++++++------------
+ 1 file changed, 15 insertions(+), 12 deletions(-)
+
+--- a/spyder/config/base.py
++++ b/spyder/config/base.py
+@@ -265,7 +265,12 @@
+     2.) Spyder provides ('en',  'fr', 'es' and 'pt_BR'), if the locale is
+     either 'pt' or 'pt_BR', this function will return 'pt_BR'
+     """
+-    locale_language = locale.getdefaultlocale()[0]
++
++    # Solves issue #3627
++    try:
++        locale_language = locale.getdefaultlocale()[0]
++    except ValueError:
++        locale_language = DEFAULT_LANGUAGE
+ 
+     language = DEFAULT_LANGUAGE
+ 
diff -Nru spyder-3.0.2+dfsg1/debian/patches/series spyder-3.0.2+dfsg1/debian/patches/series
--- spyder-3.0.2+dfsg1/debian/patches/series	2016-10-30 19:22:44.000000000 +0100
+++ spyder-3.0.2+dfsg1/debian/patches/series	2017-02-09 22:56:22.000000000 +0100
@@ -1 +1,2 @@
 0001-fix-spyderlib-path.patch
+0002-fix-Spyder-language-setting-startUp.patch