Noissue - Adapt best practices for trailing commas (sitescripts)

sitescripts/content_blocker_lists/bin/generate_lists.py

 #!/usr/bin/env python
 
 # This file is part of Adblock Plus <https://adblockplus.org/>,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
@@ skipping 37 matching lines @@
         body = response.read()
     version = re.search(r'^(?:[^[!])|^!\s*Version:\s*(.+)$',
                         body, re.MULTILINE).group(1)
     return body, url, version
 
 
 def generate_metadata(filter_lists, expires):
     metadata = OrderedDict((
         ('version', time.strftime('%Y%m%d%H%M', time.gmtime())),
         ('expires', expires),
-        ('sources', [])
+        ('sources', []),
     ))
     for body, url, version in filter_lists:
         metadata['sources'].append({'url': url, 'version': version})
     return metadata
 
 
 def pipe_in(process, filter_lists):
     try:
         for body, _, _ in filter_lists:
             print >>process.stdin, body
@@ skipping 20 matching lines @@
 
     easylist = download_filter_list(config['easylist_url'])
     exceptionrules = download_filter_list(config['exceptionrules_url'])
 
     write_block_list([easylist],
                      config['easylist_content_blocker_path'],
                      config['easylist_content_blocker_expires'])
     write_block_list([easylist, exceptionrules],
                      config['combined_content_blocker_path'],
                      config['combined_content_blocker_expires'])