Getting errors working on python 2.7

[ushangt]

Temporarily disabling wifi
Traceback (most recent call last):
File "nuwave.py", line 198, in
main()
File "nuwave.py", line 195, in main
connect_nuwave(iface)
File "nuwave.py", line 146, in connect_nuwave
netman_cmd(['nm', 'enable', 'false'])
File "nuwave.py", line 97, in netman_cmd
return checked_cmd(['nmcli'] + args)
File "nuwave.py", line 90, in checked_cmd
raise Exception('CMD (%s) error: "%s"' % (cmd, stderr))
Exception: CMD (['nmcli', 'nm', 'enable', 'false']) error: "Error: Object 'nm' is unknown, try 'nmcli help'.
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