From cbf4e70c0934dce166ea47fcf38b3d92a26ae24c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Tue, 13 Dec 2016 18:36:52 +0100
Subject: [PATCH] Do not try to read empty filename configuration

configfile can be a list with None values as the default argument value is a
list with TRYTOND_CONFIG environment variable which could be not set.

issue6101
review25891002
---
 trytond/config.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/trytond/config.py b/trytond/config.py
index 635fd7e8d1..0ee5eecfcc 100644
--- a/trytond/config.py
+++ b/trytond/config.py
@@ -68,7 +68,9 @@ class TrytonConfigParser(ConfigParser.RawConfigParser):
         self.update_etc()
 
     def update_etc(self, configfile=os.environ.get('TRYTOND_CONFIG')):
-        if not configfile:
+        if isinstance(configfile, basestring):
+            configfile = [configfile]
+        if not configfile or not filter(None, configfile):
             return
         read_files = self.read(configfile)
         logger.info('using %s as configuration files', ', '.join(read_files))