class_docstr: Abstract base class for plotters.
class_docstr_tok: ["Abstract","base","class","for","plotters","."]
docstr: Draw a plot.
  
  Returns:
    object to be rendered by AgentVisualizer.
docstr_tok: ["Draw","a","plot",".","Returns",":","object","to","be","rendered","by","AgentVisualizer","."]
code: def draw(self):
      """Draw a plot.
  
      Returns:
        object to be rendered by AgentVisualizer.
      """
      pass
  
file_path: dopamine/dopamine/utils/plotter.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import abc
label_desc: Use image node_id 3 for calling the Plotter obj's underlying member method code with example usage: obj.draw() without return types