code: def get_optimizer(self):
      return torch.optim.SGD(self.parameters(), lr=0.0001)
  
file_path: pytorch-lightning/tests/parity_fabric/models.py
imports: from abc import ABC, abstractmethod
  from typing import Callable
  import torch
  import torch.nn
  import torch.nn.functional
  from torch.optim import Optimizer
  from torch.utils.data import DataLoader, TensorDataset
label_desc: Use image node_id 3 for calling the ConvNet obj's underlying member method code with example usage: obj.get_optimizer() and returns: torch