Import arcrest fails on import six

[bnadler]

import arcrest

Traceback (most recent call last):
File "<pyshell#1>", line 1, in
import arcrest
File "C:\Python27\ArcGIS10.2\lib\site-packages\arcrest__init__.py", line 3, in
from . import agol
File "C:\Python27\ArcGIS10.2\lib\site-packages\arcrest\agol__init__.py", line 2, in
from .services import FeatureService, FeatureLayer, TableLayer, TiledService
File "C:\Python27\ArcGIS10.2\lib\site-packages\arcrest\agol\services.py", line 24, in
from ..common.filters import LayerDefinitionFilter, GeometryFilter, TimeFilter
File "C:\Python27\ArcGIS10.2\lib\site-packages\arcrest\common__init__.py", line 6, in
from . import servicedef
File "C:\Python27\ArcGIS10.2\lib\site-packages\arcrest\common\servicedef.py", line 3, in
import six
ImportError: No module named six