code: def decode_code(self, code_b):
      quant_b = self.quantize.embed_code(code_b)
      dec = self.decode(quant_b)
      return dec
  
imports: from contextlib import contextmanager
  import pytorch_lightning
  import torch
  import torch.nn.functional
  from nemo.collections.multimodal.modules.stable_diffusion.diffusionmodules.model import Decoder, Encoder
  from nemo.collections.multimodal.modules.stable_diffusion.distributions.distributions import DiagonalGaussianDistribution
  from nemo.collections.multimodal.parts.stable_diffusion.utils import instantiate_from_config
label_desc: Use image node_id 8 for calling the VQModel obj's underlying member method code with example usage: obj.decode_code(code_b) and returns: dec