class_docstr: Base class for decoders.
class_docstr_tok: ["Base","class","for","decoders","."]
code: def prepare_for_onnx_export_(self):
      self.onnx_trace = True
  
file_path: fairseq/fairseq/models/fairseq_decoder.py
imports: from typing import Dict, List, Optional, Tuple
  import torch.nn
  from fairseq import utils
  from torch import Tensor
label_desc: Use image node_id 9 for calling the FairseqDecoder obj's underlying member method code with example usage: obj.prepare_for_onnx_export_() without return types