PEP-8 import sorting

Author: acdha

bagit.py

@@ -31,20 +31,19 @@
     % bagit.py --help
 """
 
-import os
-import re
-import sys
 import codecs
-import signal
 import hashlib
 import logging
+import multiprocessing
 import optparse
+import os
+import re
+import signal
+import sys
 import tempfile
-import multiprocessing
-
-from os import listdir
 from datetime import date
-from os.path import isdir, isfile, join, abspath
+from os import listdir
+from os.path import abspath, isdir, isfile, join
 
 logger = logging.getLogger(__name__)