code: def test(self):
      data = global_state.get_data(self.data_id)
      return self.checker.check(data)
  
imports: import pandas
  import dtale.global_state
  from dtale.query import run_query
  from dtale.utils import dict_merge, grid_columns, grid_formatter, triple_quote
  from dtale.charts.utils import build_group_inputs_filter
label_desc: Use image node_id 2 for calling the DuplicateCheck obj's underlying member method code with example usage: obj.test() and returns: self