def writeto_then_readfrom(self, address, buffer_out, buffer_in, *,
                               out_start=0, out_end=None,
                               in_start=0, in_end=None, stop=False):
 
     def writeto_then_readfrom(self, address, buffer_out, buffer_in, *,
                               out_start=0, out_end=None,
                               in_start=0, in_end=None, stop=False):