code: def _verify_optimizer(self, optimizer_scheduler_pair):
      self.assertTrue(
          is_torch_optimizer(
              type(optimizer_scheduler_pair["optimizer"])
          )
      )
      self.assertTrue(
          is_torch_lr_scheduler(
              type(optimizer_scheduler_pair["lr_scheduler"])
          )
      )
  
file_path: ReAgent/reagent/test/optimizer/test_make_optimizer.py
imports: import unittest
  import torch
  from reagent.optimizer.uninferrable_optimizers import Adam
  from reagent.optimizer.uninferrable_schedulers import CosineAnnealingLR, CosineAnnealingWarmRestarts, ExponentialLR, MultiStepLR, OneCycleLR, StepLR
  from reagent.optimizer.utils import is_torch_lr_scheduler, is_torch_optimizer
label_desc: Use image node_id 2 for calling the TestMakeOptimizer obj's underlying member method code with example usage: obj._verify_optimizer(optimizer_scheduler_pair) without return types