The python-nmap python module fail.

You can read about this python module here.

First let's install this python module.
C:\Python27>cd Scripts

C:\Python27\Scripts>pip install python-nmap
Collecting python-nmap
Downloading python-nmap-0.6.1.tar.gz (41kB)
100% |################################| 51kB 240kB/s
Installing collected packages: python-nmap
Running setup.py install for python-nmap ... done
Successfully installed python-nmap-0.6.1
About this python-nmap version you can read here.
I try to run the example source code but not of this example working.
For example I got this:
>>> nm.scan('127.0.0.1', '22-443')
{'nmap': {'scanstats': {'uphosts': '1', 'timestr': 'Wed Dec 07 08:13:01 2016', '
downhosts': '-1', 'totalhosts': '0', 'elapsed': '10.74'}, 'scaninfo': {'tcp': {'
services': '22-443', 'method': 'syn'}, 'error': [u'dnet: Failed to open device l
o0\r\nQUITTING!\r\n', u'dnet: Failed to open device lo0\r\nQUITTING!\r\n']}, 'co
mmand_line': 'nmap -oX - -p 22-443 -sV 127.0.0.1'}, 'scan': {}}