Separate stdlib imports from third-party

letsencrypt/renewer.py

@@ -9,9 +9,10 @@ configuration."""
 # TODO: when renewing or deploying, update config file to
 #       memorialize the fact that it happened
 
-import configobj
 import os
 
+import configobj
+
 from letsencrypt import configuration
 from letsencrypt import client
 from letsencrypt import crypto_util

letsencrypt/storage.py

@@ -1,17 +1,18 @@
 """The RenewableCert class, representing renewable lineages of
 certificates and storing the associated cert data and metadata."""
 
-import configobj
 import copy
 import datetime
 import os
-import OpenSSL
-import parsedatetime
-import pyrfc3339
-import pytz
 import re
 import time
 
+import configobj
+import OpenSSL
+import parsedatetime
+import pytz
+import pyrfc3339
+
 from letsencrypt import le_util
 
 DEFAULTS = configobj.ConfigObj("renewal.conf")

letsencrypt/tests/renewer_test.py

@@ -1,15 +1,16 @@
 """Tests for letsencrypt/renewer.py"""
 
-import configobj
 import datetime
-import mock
 import os
 import tempfile
 import pkg_resources
-import pytz
 import shutil
 import unittest
 
+import configobj
+import mock
+import pytz
+
 from letsencrypt.storage import ALL_FOUR
 
 def unlink_all(rc_object):