diff --git a/radius_auth.py b/radius_auth.py
index e022d82b..092500e0 100644
--- a/radius_auth.py
+++ b/radius_auth.py
@@ -2,8 +2,7 @@
 # -*- coding: iso-8859-15 -*-
 
 import os, md5, sys, binascii
-from commands import getoutput
-from syslog import *
+from syslog import syslog, openlog
 
 sys.path.append('/usr/scripts/gestion')
 from ldap_crans import crans_ldap, AssociationCrans, Club
@@ -23,9 +22,7 @@ def chap_ok(password, challenge, clear_pass) :
         if md5.new(password[0] + clear_pass + challenge).digest() == password[1:] :
             return True
     except :
-        pass
-
-    return False
+        return False
 
 def do_auth(mac):
     """Effectue l'authentification. Renvoie (success, msg,