code: def load_cands(self, path):
      return mod_labels(super().load_cands(path), self.task_num)
  
imports: from parlai.core.teachers import FbDeprecatedDialogTeacher, MultiTaskTeacher
  from .build import build
  import copy
  import os
label_desc: Use image node_id 3 for calling the Task1kTeacher obj's underlying member method code with example usage: obj.load_cands(path) and returns: mod_labels