Update from global requirements

Fix lots of pep8 issues caused by new version of hacking.

Change-Id: I70c1bef9e826a7c74ef87c052fc248e858ea0c73

stackalytics/processor/dump.py

@@ -14,11 +14,11 @@
 # limitations under the License.
 
 import pickle
+import re
 import sys
 
 import memcache
 from oslo.config import cfg
-import re
 import six
 from six.moves.urllib import parse