code: def doc_to_text(self, doc):
      return self.detokenize(doc["article"])
  
imports: import numpy
  import inspect
  import lm_eval.datasets.mutual.mutual
  from lm_eval.base import Task, rf
  from lm_eval.metrics import mean
label_desc: Use image node_id 7 for calling the MuTualBase obj's underlying member method code with example usage: obj.doc_to_text(doc) and returns: self