def null(self):
        self.add_parameter('null', None)
        return self
Installs addon from a filepath, url
dataset/ETHPy150Open interru/ffmpegwrapper/ffmpegwrapper/filter.py/AudioFilter.null--crossover with--dataset/ETHPy150Open apiad/sublime-browser-integration/selenium/webdriver/firefox/firefox_profile.py/FirefoxProfile._install_extension