Noissue - Added flake8-abp and pep8-naming extension and fix reported warnings

tests/test_render_script.py

 # This file is part of Adblock Plus <https://adblockplus.org/>,
 # Copyright (C) 2006-2016 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 47 matching lines @@
     # Fragment that has a broken include.
     incdir.join('broken.txt').write('%include missing.txt%')
     # Fragment that includes itself.
     incdir.join('circular.txt').write('%include circular.txt%')
     return rootdir
 
 
 @pytest.fixture
 def webserver_port(tmpdir, request):
     """Serve fragments via HTTP on a random port (return the port number)."""
-    Handler = SimpleHTTPServer.SimpleHTTPRequestHandler
-    httpd = SocketServer.TCPServer(("", 0), Handler)
+    handler = SimpleHTTPServer.SimpleHTTPRequestHandler
+    httpd = SocketServer.TCPServer(('', 0), handler)
     port = httpd.socket.getsockname()[1]
     # Create some files to serve.
     webroot = tmpdir.join('webroot')
     webroot.mkdir()
     webroot.join('inc.txt').write('Web \u1234'.encode('utf-8'), mode='wb')
     webroot.join('metainc.txt').write(
         '%include http://localhost:{}/inc.txt%'.format(port))
     # Change to this directory and start the webserver in another thread.
     os.chdir(str(webroot))
     thread = threading.Thread(target=httpd.serve_forever)
@@ skipping 103 matching lines @@
 
 @pytest.mark.slowtest
 def test_failed_web_include(rootdir, dstfile, webserver_port):
     url = 'http://localhost:{}/missing.txt'.format(webserver_port)
     webinc = rootdir.join('webinc.txt')
     webinc.write('[Adblock]\n%include {}%'.format(url))
     code, err = run_script(str(webinc), str(dstfile))
     assert code == 1
     assert err.startswith(
         "HTTP 404 Not found: '{0}' when including '{0}'".format(url))