docstr: :return:
docstr_tok: [":","return",":"]
code: def _get_data(self):
      """
  
      :return:
      """
      _data = [
          self.get_instance_with_graph_parameters(
              graph_type=self._graph_type,
              x=self._df.columns,
              y=self._df.index,
              z=self._df.values.tolist(),
              **self._graph_kwargs,
          )
      ]
      return _data
  
imports: import math
  import importlib
  from typing import Iterable
  import pandas
  import plotly.offline
  import plotly.graph_objs
  from plotly.subplots import make_subplots
  from plotly.figure_factory import create_distplot
label_desc: Use image node_id 1 for calling the HeatmapGraph obj's underlying member method code with example usage: obj._get_data() and returns: _data