old_contents: 
  VERSION = (0, 7, 'pre')
  
  # Dynamically calculate the version based on VERSION tuple
  if len(VERSION) > 2 and VERSION[2] is not None:
      str_version = "%s.%s_%s" % VERSION[:3]
  else:
      str_version = "%s.%s" % VERSION[:2]
  
  __version__ = str_version
  
new_contents: 
  VERSION = (0, 7)
  
  # Dynamically calculate the version based on VERSION tuple
  if len(VERSION) > 2 and VERSION[2] is not None:
      str_version = "%s.%s_%s" % VERSION[:3]
  else:
      str_version = "%s.%s" % VERSION[:2]
  
  __version__ = str_version
  
subject: bump version number to 0.7