code: def send_everything_to_cpu():
      global module_in_gpu
  
      if module_in_gpu is not None:
          module_in_gpu.to(cpu)
  
      module_in_gpu = None
  
imports: import torch
  from modules import devices, shared
label_desc: Use image node_id 1 for calling a global function with example usage: send_everything_to_cpu() without return types