code: def _plain_text_reader(path):
      # yields key, token_list
      with open(path, "r") as fi:
          for line in fi:
              key, *tokens = line.strip().split()
              yield key, tokens
  
imports: import speechbrain.utils.edit_distance
  import speechbrain.dataio.wer
label_desc: Use image node_id 1 for calling a global function with example usage: _plain_text_reader(path) without return types