From bdac99d4f0349a71d7ecb9a4c61687356afedd6b Mon Sep 17 00:00:00 2001
From: Alexandre Flament <alex@al-f.net>
Date: Tue, 8 Sep 2020 16:08:37 +0200
Subject: [PATCH] Drop Python 2 (5/n): searx.utils.is_valid_lang, input
 parameter is a str instead of bytes

Fix bug in translated.py and dictzone.py
---
 searx/utils.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/searx/utils.py b/searx/utils.py
index de5b68ca..d8842c65 100644
--- a/searx/utils.py
+++ b/searx/utils.py
@@ -284,8 +284,10 @@ def int_or_zero(num):
 
 
 def is_valid_lang(lang):
+    if isinstance(lang, bytes):
+        lang = lang.decode()
     is_abbr = (len(lang) == 2)
-    lang = lang.lower().decode()
+    lang = lang.lower()
     if is_abbr:
         for l in language_codes:
             if l[0][:2] == lang: