code: def postprocess_mask_prediction_token(text):
      if text:
          return text[1:] if text[0] == "▁" else text
      else:
          return ""
  
imports: from .adaptor import Adaptor
label_desc: Use image node_id 1 for calling the AlbertAdaptor obj's underlying member method code with example usage: obj.postprocess_mask_prediction_token(text) and returns: unknown, str