code: def convert(self, data):
      if isinstance(data, tuple):
          return self._converter(*data)
      elif isinstance(data, dict):
          return self._converter(**data)
      else:
          return self._converter(data)
  
file_path: chainer/chainer/dataset/tabular/_with_converter.py
imports: from chainer.dataset.tabular import tabular_dataset
label_desc: Use image node_id 6 for calling the _WithConverter obj's underlying member method code with example usage: obj.convert(data) and returns: self, self, self