def __eq__(self, other):
        return (isinstance(other, self.__class__) and
                other.package == self.package)
def __enter__(self):
        entering = not transaction_states[self.using]
        transaction_states[self.using].begin()
        self._no_monkey.__enter__(self)
        if entering:
            on_commit(transaction_states[self.using].commit, self.using)