code: def forward_streaming(self, input_frame: torch.Tensor):
      raise NotImplementedError
  
file_path: espnet/espnet2/enh/decoder/abs_decoder.py
imports: from abc import ABC, abstractmethod
  from typing import Tuple
  import torch
label_desc: Use image node_id 2 for calling the AbsDecoder obj's underlying member method code with example usage: obj.forward_streaming(input_frame) without return types