code: def setup_data(self, path):
      for entry, new in super().setup_data(path):
          entry[1] = mod_labels(entry[1], self.task_num)
          yield entry, new
  
imports: from parlai.core.teachers import FbDeprecatedDialogTeacher, MultiTaskTeacher
  from .build import build
  import copy
  import os
label_desc: Use image node_id 2 for calling the Task1kTeacher obj's underlying member method code with example usage: obj.setup_data(path) without return types