Here is the diff after running the syntactic check for modified files.

=== modified file 'lib/canonical/launchpad/security.py'
--- lib/canonical/launchpad/security.py	2010-01-18 16:54:07 +0000
+++ lib/canonical/launchpad/security.py	2010-01-20 20:29:00 +0000
@@ -469,7 +469,7 @@
         return (user.inTeam(self.obj.person) or
                 user.isOneOf(
                     self.obj.specification,
-                    ['owner','drafter', 'assignee', 'approver']) or
+                    ['owner', 'drafter', 'assignee', 'approver']) or
                 user.in_admin)
 
 
@@ -530,6 +530,7 @@
             return True
         return user.isOwner(self.obj.target)
 
+
 class AdminMilestoneByLaunchpadAdmins(AuthorizationBase):
     permission = 'launchpad.Admin'
     usedfor = IMilestone
@@ -574,7 +575,7 @@
 
     def checkAuthenticated(self, user):
         """Is the user a privileged team member or Launchpad staff?
-        
+
         Return true when the user is a member of Launchpad admins,
         registry experts, team admins, or the team owners.
         """
@@ -1431,7 +1432,6 @@
 
     # This code MUST match the logic in IBuildSet.getBuildsForBuilder()
     # otherwise users are likely to get 403 errors, or worse.
-
     def checkAuthenticated(self, user):
         """Private restricts to admins and archive members."""
         if not self.obj.archive.private:

=== modified file 'lib/lp/translations/browser/configure.zcml'
--- lib/lp/translations/browser/configure.zcml	2009-12-12 05:47:41 +0000
+++ lib/lp/translations/browser/configure.zcml	2010-01-20 20:31:52 +0000
@@ -391,9 +391,9 @@
             <browser:page
                 name="+chart"
                 template="../templates/potemplate-chart.pt"/>
-            
+
             <!-- Potemplate Portlets -->
-            
+
             <browser:page
                 name="+portlet-details"
                 template="../templates/potemplate-portlet-details.pt"/>

=== modified file 'lib/lp/translations/browser/potemplate.py'
--- lib/lp/translations/browser/potemplate.py	2010-01-20 20:16:29 +0000
+++ lib/lp/translations/browser/potemplate.py	2010-01-20 20:33:54 +0000
@@ -533,9 +533,8 @@
             # We only change date_last_updated when the translation_domain
             # field is changed because it is the only relevant field we
             # care about regarding the date of last update.
-            UTC = pytz.timezone('UTC')
             naked_context = removeSecurityProxy(context)
-            naked_context.date_last_updated = datetime.datetime.now(UTC)
+            naked_context.date_last_updated = datetime.datetime.now(pytz.UTC)
 
     @property
     def cancel_url(self):

=== modified file 'lib/lp/translations/configure.zcml'
--- lib/lp/translations/configure.zcml	2010-01-17 02:07:16 +0000
+++ lib/lp/translations/configure.zcml	2010-01-20 20:32:41 +0000
@@ -415,7 +415,7 @@
             <require
                 permission="launchpad.TranslationsAdmin"
                 set_attributes="
-                    name productseries distroseries sourcepackagename 
+                    name productseries distroseries sourcepackagename
                     sourcepackageversion binarypackagename languagepack
                     source_file_format source_file date_last_updated
                     from_sourcepackagename header"/>

=== modified file 'lib/lp/translations/stories/standalone/xx-potemplate-edit.txt'
--- lib/lp/translations/stories/standalone/xx-potemplate-edit.txt	2010-01-20 20:16:29 +0000
+++ lib/lp/translations/stories/standalone/xx-potemplate-edit.txt	2010-01-20 20:32:18 +0000
@@ -109,7 +109,7 @@
 The visible fields can be changed and saved.
 
   >>> browser.getControl(name='field.translation_domain').value = u'evo'
-  >>> browser.getControl(name='field.priority').value = '100'                    
+  >>> browser.getControl(name='field.priority').value = '100'
   >>> browser.getControl(name='field.iscurrent').value = False
   >>> browser.getControl(name='field.path').value = 'po/evolution.pot'
   >>> browser.getControl(name='field.owner').value = u'name12'
@@ -127,7 +127,7 @@
   >>> browser.getControl(name='field.translation_domain').value
   'evo'
   >>> browser.getControl(name='field.priority').value
-  '100'                    
+  '100'
   >>> browser.getControl(name='field.iscurrent').value
   False
   >>> browser.getControl(name='field.path').value