old_contents: from menpo.shape import PointDirectedGraph
  import numpy as np
  
  
  def pointgraph_from_circle(fitting):
      y, x = fitting.center
      radius = fitting.diameter / 2.0
      return PointDirectedGraph(np.array(((y, x),
                                          (y + radius, x),
                                          (y + radius, x + radius),
                                          (y, x + radius))),
                                np.array([[0, 1], [1, 2], [2, 3], [3, 0]]))
  
new_contents: from menpo.shape import PointDirectedGraph
  import numpy as np
  
  
  def pointgraph_from_circle(fitting):
      diameter = fitting.diameter
      radius = diameter / 2.0
      y, x = fitting.center
      y -= radius
      x -= radius
      return PointDirectedGraph(np.array(((y, x),
                                          (y + diameter, x),
                                          (y + diameter, x + diameter),
                                          (y, x + diameter))),
                                np.array([[0, 1], [1, 2], [2, 3], [3, 0]]))
  
subject: Fix the circle to rectangle code