(self, name)
raises a `KeyError` if there's no attachment called `name`
raises a `KeyError` if there's no attachment called `name`
raises a KeyError if there s no attachment called name
def remove(self, name):
        """
        raises a `KeyError` if there's no attachment called `name`
        """
        del self._dict[name]
def remove ( self , name ) : del self . _dict [ name ]