code: def test_blacklist_module_fp16_weight(self):
      self.train_eval_train_test(BlacklistModule, torch.float16)
  
imports: import unittest
  import functools
  import itertools
  from apex import amp
  from apex.amp import _amp_state
  import torch
  from torch import nn
  import torch.nn.functional
  from utils import common_init, HALF, FLOAT, ALWAYS_HALF, ALWAYS_FLOAT, MATCH_INPUT
label_desc: Use image node_id 6 for calling the TestCache obj's underlying member method code with example usage: obj.test_blacklist_module_fp16_weight() without return types