Use zero-argument super()

We're on Python 3!

Author: encukou

naucse/utils/notebook.py

@@ -26,8 +26,7 @@ def convert_markdown_contexted(text):
 
         self.register_filter('markdown2html', convert_markdown_contexted)
         self.register_filter('highlight_code', highlight)
-        return super(HTMLExporter,
-                     self).from_notebook_node(nb, resources, **kw)
+        return super().from_notebook_node(nb, resources, **kw)
 
 
 def convert_notebook(raw, convert_url=None):

naucse/validation.py

@@ -36,7 +36,7 @@ class AllowedElementsParser(HTMLParser):
     """
 
     def __init__(self, **kwargs):
-        super(AllowedElementsParser, self).__init__(**kwargs)
+        super().__init__(**kwargs)
         self.css_parser = cssutils.CSSParser(raiseExceptions=True)
 
         #: Set of allowed HTML elements