code: def to_real(x):
      if torch.is_complex(x):
          return x.real
      else:
          return x
  
file_path: audiocraft/audiocraft/optim/dadam.py
imports: import logging
  from typing import Any
  import torch
  import torch.optim
  import torch.distributed
label_desc: Use image node_id 1 for calling a global function with example usage: to_real(x) and returns: x, x