Demo world_map.py does not work on python 2

[ku-ya]

Problem Description
urllib.request deprecated in Python 2
Reproduction Steps:
Run world_map.py

Expected behavior:

Traceback (most recent call last):
File "world_map.py", line 15, in
import urllib.request, urllib.parse, urllib.error
ImportError: No module named request

OS, Python version: [Enter OS name and Python version]
OSX, Python 2.7

xref: #385