attempt to fix python 3.4 urlretrieve import

.travis.yml

@@ -2,6 +2,7 @@ sudo: false
 language: python
 python:
     - "2.7"
+    - "3.4"
 notifications:
     email: false
 addons:

setup.py

@@ -8,10 +8,13 @@ from warnings import warn
 import os
 import sys
 from glob import glob
-from future.moves.urllib.request import urlretrieve
 import tarfile
 import shutil
 
+from future.standard_library import install_aliases
+install_aliases()
+from urllib.request import urlretrieve
+
 # use cython if we can import it successfully
 try:
     from Cython.Distutils import build_ext as _build_ext