Noissue - Replace flake8-putty with flake8-per-file-ignores, update to flake8 3 (sitescripts)

sitescripts/subscriptions/bin/updateSubscriptionDownloads.py

 # This file is part of the Adblock Plus web scripts,
 # 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,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ skipping 27 matching lines @@
 
     def read_file(self, filename):
         return self._archive.read(self._prefix + filename).decode('utf-8')
 
     def list_top_level_files(self):
         for filename in self._archive.namelist():
             filename = filename[len(self._prefix):]
             if '/' not in filename:
                 yield filename
 
+
 if __name__ == '__main__':
     setupStderr()
 
     source_repos = {}
     for option, value in get_config().items('subscriptionDownloads'):
         if option.endswith('_repository'):
             source_repos[re.sub(r'_repository$', '', option)] = MercurialSource(value)
 
     basedir = get_config().get('subscriptionDownloads', 'outdir')
     destination = os.path.join(basedir, 'data')
     try:
         combine_subscriptions(source_repos, destination, tempdir=basedir)
     finally:
         for source in source_repos.itervalues():
             source.close()