def key_up(self, value, element=None):
        if element: self.click(element)
        self._actions.append(lambda:
            self._driver.execute(Command.SEND_KEYS_TO_ACTIVE_ELEMENT, {
                "value": self._keys_to_typing(value) }))
        return self
Releases a modifier key.
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/selenium/webdriver/common/action_chains.py/ActionChains.key_up