=== modified file 'raphodo/__init__.py'
--- old/raphodo/__init__.py	2020-03-22 04:42:34 +0000
+++ new/raphodo/__init__.py	2020-03-22 04:42:34 +0000
@@ -98,7 +98,8 @@
     if not lang:
         lang, encoding = locale.getdefaultlocale()
 
-    lang = [lang]
+    if lang:
+        lang = [lang]
 
     try:
         lang = gettext.translation(i18n_domain, localedir=localedir, languages=lang)