code: def free_unmanaged(self):
      cuda_ext.exllama_ext.cleanup()
  
imports: import sys
  import torch
  from torch import nn
  import torch.nn.functional
  from safetensors import safe_open
  import cuda_ext
  import json
  import math
  import gc
  from enum import Enum
label_desc: Use image node_id 4 for calling the ExLlama obj's underlying member method code with example usage: obj.free_unmanaged() without return types