old_contents: from __future__ import absolute_import
  # following PEP 386
  __version__ = "1.4a"
  
  from . import patches
  
new_contents: from __future__ import absolute_import
  # following PEP 386
  __version__ = "1.4rc1"
  
  from . import patches
  
subject: Bump version to v1.4rc1