code: def __repr__(self):
      try:
          return type(self).__bases__[0].__repr__(self)
      except BaseException:
          return "Optimizer SGD without initiated parameters".format(
              type(self).__name__
          )
  
imports: from torch import optim
  from fate.components.components.nn.torch.base import TorchOptimizer
label_desc: Use image node_id 2 for calling the SGD obj's underlying member method code with example usage: obj.__repr__() and returns: type, str