def start(self):
        fail_timer = self.ioloop.add_timeout(self.TIMEOUT, self.on_timeout)
        self.addCleanup(self.ioloop.remove_timeout, fail_timer)
        self.ioloop.start()

        self.ioloop._poller.activate_poller.assert_called_once_with()
        self.ioloop._poller.deactivate_poller.assert_called_once_with()
Returns the frame rate of a given sound file.
dataset/ETHPy150Open pika/pika/tests/unit/select_connection_ioloop_tests.py/IOLoopBaseTest.start--crossover with--dataset/ETHPy150Open Agerrr/Automated_Music_Transcription/first_peaks_method.py/getFrameRate