code: def optimizer_zero_grad(
      self, epoch, batch_idx, optimizer, optimizer_idx
  ):
      # https://pytorch-lightning.readthedocs.io/en/latest/guides/speed.html#set-grads-to-none
      # TD [2022-04-30]: DeepSpeed optimizer uses the kwarg set_grad_to_none instead of set_to_none
      if (
          "set_to_none"
          in inspect.signature(optimizer.zero_grad).parameters
      ):
          optimizer.zero_grad(set_to_none=True)
      else:
          optimizer.zero_grad()
  
imports: from typing import Any, List
  import inspect
  import torch
  import hydra
  from pytorch_lightning import LightningModule, LightningDataModule
  from torchmetrics import MetricCollection
  from einops import rearrange
  from omegaconf import OmegaConf
  from src.utils.utils import get_logger
  from src.optim.param_grouping import group_parameters_for_optimizer
  from src.utils.checkpoint import load_checkpoint
  import datasets
label_desc: Use image node_id 14 for calling the SequenceModel obj's underlying member method code with example usage: obj.optimizer_zero_grad(epoch, batch_idx, optimizer, optimizer_idx) without return types