Noissue - Adapt best practices for trailing commas (sitescripts)

sitescripts/testpages/web/sitekey_frame.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 13 matching lines @@
 @url_handler('/sitekey-frame')
 def sitekey_frame(environ, start_response):
     template_path, template_file = os.path.split(
         get_config().get('testpages', 'sitekeyFrameTemplate'),
     )
     template = get_template(template_file, template_path=template_path)
 
     key = M2Crypto.EVP.load_key(get_config().get('testpages', 'sitekeyPath'))
     key.sign_init()
     key.sign_update('\x00'.join((
-        request_path(environ), environ['HTTP_HOST'], environ['HTTP_USER_AGENT'],
+        request_path(environ),
+        environ['HTTP_HOST'],
+        environ['HTTP_USER_AGENT'],
     )))
 
     public_key = base64.b64encode(key.as_der())
     signature = base64.b64encode(key.final())
 
     start_response('200 OK',
                    [('Content-Type', 'text/html; charset=utf-8'),
                     ('X-Adblock-Key', '%s_%s' % (public_key, signature))])
     return [template.render({'public_key': public_key,
                              'signature': signature}).encode('utf-8')]