Writes model histograms to Tensorboard.

def write(self, model:nn.Module, iteration:int, tbwriter:SummaryWriter, name:str='model')->None:
        "Writes model histograms to Tensorboard."
        request = HistogramTBRequest(model=model, iteration=iteration, tbwriter=tbwriter, name=name)
        asyncTBWriter.request_write(request)