class_docstr: Horizontal graph mixin
docstr: Set the horizontal flag to True
code: def __init__(self, *args, **kwargs):
      """Set the horizontal flag to True"""
      self.horizontal = True
      super(HorizontalGraph, self).__init__(*args, **kwargs)
  
file_path: pygal/pygal/graph/horizontal.py
imports: from pygal.graph.graph import Graph
  from pygal.view import HorizontalLogView, HorizontalView
label_desc: Use image node_id 1 to create a new HorizontalGraph object from inherited base classes: Graph with example: obj = HorizontalGraph()