class_docstr: LossScalarBase
  Base class for a loss scaler
code: def loss_scale(self):
      return self.cur_scale
  
imports: import torch
  from deepspeed import comm
  from deepspeed.utils import logger
label_desc: Use image node_id 2 for calling the LossScalerBase obj's underlying member method code with example usage: obj.loss_scale() and returns: self