diff --git a/gestion/affich_tools.py b/gestion/affich_tools.py
index 63e12b00..1fea9248 100644
--- a/gestion/affich_tools.py
+++ b/gestion/affich_tools.py
@@ -7,7 +7,7 @@ Copyright (C) Frédéric Pauget
 Licence : GPLv2
 """
 
-import sys, re, os, tempfile
+import sys, re, os, tempfile, subprocess
 
 # Détermination de l'encodage
 encoding = None
@@ -25,9 +25,9 @@ if encoding == "ANSI_X3.4-1968":
     encoding = "ISO-8859-15"
 
 if 'TERM' in os.environ and os.environ['TERM'] != 'unknown':
-    el = os.popen('tput  cr ; tput el').read()
+    el = subprocess.Popen('tput cr ; tput el', shell=True, stdout=subprocess.PIPE).stdout.read()
 else:
-    el = os.popen('tput -Tvt100 cr ; tput -Tvt100 el').read()
+    el = subprocess.Popen('tput -Tvt100 cr ; tput -Tvt100 el', shell=True, stdout=subprocess.PIPE).stdout.read()
 
 try:
     stdout_atty = sys.stdout.isatty()
diff --git a/gestion/hptools.py b/gestion/hptools.py
index b24ae0b2..b050a5a2 100644
--- a/gestion/hptools.py
+++ b/gestion/hptools.py
@@ -10,7 +10,6 @@ Donne la classe switch qui permet d'effectuer les opérations
 Frédéric PAUGET
 """
 from time import sleep
-from popen2 import popen3
 from sys import stderr, path
 from commands import getstatusoutput
 from annuaires_pg import chbre_prises, all_switchs
diff --git a/gestion/whos.py b/gestion/whos.py
index afa5e507..f3d7f8a1 100644
--- a/gestion/whos.py
+++ b/gestion/whos.py
@@ -56,7 +56,7 @@ from ldap_crans import MachineCrans, MachineWifi, BorneWifi
 from ldap_crans import Adherent
 from affich_tools import *
 import user_tests
-import popen2, commands
+import subprocess, commands
 
 limit_aff_details = 1
 limit_aff_machines = 15
@@ -939,9 +939,11 @@ def borne_clients_canal(borne) :
     for clef in ["/etc/wifi/ssh/wifi","/usr/scripts/gestion/clef-wifi"]:
         if os.path.isfile(clef) and  user_tests.isadm():
             try:
-                wl = popen2.Popen3("ssh -o StrictHostKeyChecking=no -i %s root@%s 'cat /tmp/auth-mac.dump ;  echo -n \"CANAL \" ; /usr/sbin/nvram get wl0_channel' 2> /dev/null" % (clef, borne))
-                wl.tochild.close()
-                for line in wl.fromchild.readlines():
+                wl = subprocess.Popen("ssh -o StrictHostKeyChecking=no -i %s root@%s 'cat /tmp/auth-mac.dump ; echo -n \"CANAL \" ; /usr/sbin/nvram get wl0_channel'" % (clef, borne), shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True)
+                wl.stdin.close()
+                for line in wl.stdout.readlines():
+                    print 'coucou'
+                    print line
                     # Chaque ligne est de la forme
                     # 00:11:22:33:44:55 -20
                     line = line.strip().split()