old_contents: from pglgen import codegen
  
  
  def main():
      apis = ['gl', 'wgl', 'glx', 'egl']
      code = codegen.gen_bindings(apis)
  
  if __name__ == '__main__':
      main()
  
new_contents: from pglgen import codegen
  
  
  def main():
      apis = ['gl', 'wgl', 'glx', 'egl']
      codegen.gen_bindings(apis)
  
  if __name__ == '__main__':
      main()
  
subject: fix leftover code variable in generate.py