code: def begin_script(self):
          
  
          if self.remote_bridge.status in (BRIDGE_STATUS.RECEIVED, BRIDGE_STATUS.VALIDATED, BRIDGE_STATUS.EXECUTING):
              return [1]  #FIXME: Return correct error here
  
          self.remote_bridge.status = BRIDGE_STATUS.WAITING
          self.remote_bridge.error = 0
          self.remote_bridge.script_error = None
          self.remote_bridge.parsed_script = None
  
          self._device.script = bytearray()
  
          return [0]
docs: Indicate we are going to start loading a script.