Novnc is not working

When I try to connect to a running VM I get Failed to connect to server (code: 1006) my novnc log reports the following

[06/Feb/2016 21:43:57] my_ip_addr Plain non-SSL (ws://) WebSocket connection
my_ip_addr - - [06/Feb/2016 21:43:57] my_ip_addr : Version hybi-13, base64: 'False’
my_ip_addr - - [06/Feb/2016 21:43:57] my_ip_addr : Path: '/?token=7076irv642grg1qb4fmf’
handler exception: ‘dict’ object has no attribute ‘has_key’

ok found the issue did not like my version of python (3.4) changed to python 2.7 and it worked

Not bad for first try.

great, we have an issue to include support foe both versions :

my python version 2.7.3. but still facing this issued. pls help