Fixing pep-8 conformance issues

IPython/tests/test_genutils.py

@@ -20,10 +20,10 b' from IPython.testing.decorators import skipif'
 from nose import with_setup
 from nose.tools import raises
 
+from os.path import join, abspath, split
 import os, sys, IPython
-env = os.environ
 
-from os.path import join, abspath, split
+env = os.environ
 
 try:
     import _winreg as wreg