bind on ipv4 not 6

tes/sshwrapper/__init__.py

@@ -456,7 +456,7 @@ class Ssh:
             import time
             time.sleep(3)
             tunnel_p.poll()
-            if tunnel_p.returncode != None
+            if tunnel_p.returncode != None:
                 (stdout,stderr) = tunnel_p.communicate()
                 logger.error('tunnel process exited {} {} {}'.format(tunnel_p.returncode, stdout, stderr))
         except subprocess.TimeoutExpired: