code: def _write_histogram(self, param_name:str, values)->None:
          "Writes single model histogram to Tensorboard."
          tag = self.name + '/weights/' + param_name
          self.tbwriter.add_histogram(tag=tag, values=values, global_step=self.iterationf _write_histogram(self, param_name:str, values)->None:
          "Writes single model histogram to Tensorboard."
          tag = self.name + '/weights/' + param_name
          self.tbwriter.add_histogram(tag=tag, values=values, global_step=self.iteration)
docs: Writes single model histogram to Tensorboard.