Set release date for 2.2.6 and PEP8ify+pyflakes

Changelog

@@ -9,7 +9,7 @@
 
 2.2.6
 =====
-:release-date: TBA
+:release-date: 2011-04-15 16:00 P.M CEST
 
 .. _v226-important:
 

celery/worker/job.py

@@ -136,7 +136,6 @@ class WorkerTaskTrace(TaskTrace):
                 logger.error("Process cleanup failed: %r" % (exc, ),
                              exc_info=sys.exc_info())
 
-
     def handle_success(self, retval, *args):
         """Handle successful execution."""
         if not self.task.ignore_result:

contrib/release/flakesignore.txt

@@ -30,7 +30,7 @@ celery/utils/mail.py:(.+?) redefinition of unused 'MIMEText'
 celery/utils/__init__.py:(.+?) 'gen_unique_id' imported but unused
 celery/events/cursesmon.py:(.+?): local variable 'consumer' is assigned to but never used
 celery/tests/utils.py:(.+?): 'unittest' imported but unused
-celery/tests/utils.py:(.+?): redefinition of unused 'builtins' from line 12
+celery/tests/utils.py:(.+?): redefinition of unused 'builtins' from line 15
 celery/tests/utils.py:(.+?): redefinition of unused 'StringIO' from line 16
 celery/utils/compat.py:(.+?): redefinition of unused 'UserList' from line 5
 celery/utils/compat.py:(.+?): 'UserList' imported but unused