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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 async def pulse(self):
 """Send get state request to API to keep the connection alive."""

        get_state = GetState(pyvlx=self.pyvlx)
        await get_state.do_api_call()
        if not get_state.success:
            raise PyVLXException("Unable to send get state.")