old_contents: # -*- coding: utf-8 -*-
  
  # version_info should conform to PEP 386 
  # (major, minor, micro, alpha/beta/rc/final, #)
  # (1, 1, 2, 'alpha', 0) => "1.1.2.dev"
  # (1, 2, 0, 'beta', 2) => "1.2b2"
  
  version_info = (1, 0, 0, 'alpha', 920)
  version = '1.0.0a920'
  
new_contents: # -*- coding: utf-8 -*-
  
  # version_info should conform to PEP 386 
  # (major, minor, micro, alpha/beta/rc/final, #)
  # (1, 1, 2, 'alpha', 0) => "1.1.2.dev"
  # (1, 2, 0, 'beta', 2) => "1.2b2"
  
  version_info = (1, 0, 0, 'alpha', 1021)
  version = '1.0.0a1021'
  
subject: Update version to 1.0.0a1021.