def blockIndentation(block):
            text = block.text()
            return text[:len(text) - len(text.lstrip())]
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)