def __delitem__(self, key):
defaultdict.__delitem__(self, (repr(key), key))
def __delitem__(self, key):
return defaultdict.__delitem__(self, MaybeCompressedString(key))
def __delitem__(self, key):
"""also update parent if given"""
if self.parent is not None:
self.parent[key] -= defaultdict.get(self, key, 0)
defaultdict.__delitem__(self, key)
def __delitem__(self, key):
defaultdict.__delitem__(self, (repr(key), key))
