A couple very minor nitpicks.

mwparserfromhell/nodes/tag.py

@@ -22,7 +22,7 @@
 
 from __future__ import unicode_literals
 
-from . import Node, Text
+from . import Node
 from .extras import Attribute
 from ..compat import str
 from ..definitions import is_visible

mwparserfromhell/parser/tokenizer.py

@@ -35,6 +35,7 @@ class BadRoute(Exception):
     """Raised internally when the current tokenization route is invalid."""
 
     def __init__(self, context=0):
+        super(BadRoute, self).__init__()
         self.context = context