fixup! Apply memoization to getPhases; this provides a decent perf gain

Author: gsnedders

html5lib/utils.py

@@ -113,9 +113,11 @@ def moduleFactory(baseModule, *args, **kwargs):
 
 def memoize(func):
     cache = {}
+
     def wrapped(*args, **kwargs):
         key = (tuple(args), tuple(kwargs.items()))
         if key not in cache:
             cache[key] = func(*args, **kwargs)
         return cache[key]
+
     return wrapped