Update pep8 import order check

Set flake8-import-order version to 0.17.1
Full py3 compatible version.
Add all Python3 modules to stdlib list.

Change-Id: I3ef01e49c0e6822368146434f056ac7a1aa7ce4d

pyghmi/ipmi/sdr.py

@@ -36,10 +36,11 @@ import string
 import struct
 import weakref
 
+import six
+
 import pyghmi.constants as const
 import pyghmi.exceptions as exc
 import pyghmi.ipmi.private.constants as ipmiconst
-import six
 
 try:
     import cPickle as pickle