Noissue - use markdown module better to avoid warnings

cms/converters.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 309 matching lines @@
     )
 
     def get_html(self, source, filename):
         def remove_unnecessary_entities(match):
             char = unichr(int(match.group(1)))
             if char in html_escapes:
                 return match.group(0)
             return char
 
         escapes = {}
-        md = markdown.Markdown(output='html5', extensions=['extra'])
+        md = markdown.Markdown(output='html5', extensions=[
+            'markdown.extensions.extra',
+        ])
         for char in md.ESCAPED_CHARS:
             escapes[char] = '&#{};'.format(str(ord(char)))
         for key, value in html_escapes.iteritems():
             escapes[key] = value
 
         md.preprocessors['html_block'].markdown_in_raw = True
 
         def to_html(s):
             return re.sub(r'</?p>', '', md.convert(s))
 
@@ skipping 183 matching lines @@
             stack[-1]['subitems'].append(item)
             stack.append(item)
         return structured
 
 
 converters = {
     'html': RawConverter,
     'md': MarkdownConverter,
     'tmpl': TemplateConverter,
 }