old_contents: from __future__ import absolute_import
  from __future__ import unicode_literals
  
  __version__ = '1.25.1'
  
new_contents: from __future__ import absolute_import
  from __future__ import unicode_literals
  
  __version__ = '1.26.0dev'
  
subject: Set dev version to 1.26.0dev after releasing 1.25.1