old_contents: """Ground control points"""
  
  from collections import namedtuple
  
  
  class GroundControlPoint(object):
      """A mapping of row, col image coordinates to x, y, z in a CRS"""
  
      def __init__(self, row=None, col=None, x=None, y=None, z=None):
          self.row = row
          self.col = col
          self.x = x
          self.y = y
          self.z = z
  
new_contents: """Ground control points"""
  
  
  class GroundControlPoint(object):
      """A mapping of row, col image coordinates to x, y, z in a CRS"""
  
      def __init__(self, row=None, col=None, x=None, y=None, z=None):
          self.row = row
          self.col = col
          self.x = x
          self.y = y
          self.z = z
  
subject: Remove namedtuple import