code: def get_data_from_unit(
      self, get_data_from_unit: MockUnit
  ) -> Dict[str, Any]:
      return self._data[get_data_from_unit]
  
imports: import unittest
  from typing import Any, Dict, List
  from parlai.crowdsourcing.utils.analysis import AbstractResultsCompiler
  from collections import defaultdict
label_desc: Use image node_id 3 for calling the MockMephistoBrowser obj's underlying member method code with example usage: obj.get_data_from_unit(get_data_from_unit) and returns: self