old_contents: """Version info for pyvista."""
  # major, minor, patch
  version_info = 0, 26, 0
  
  # Nice string for the version
  __version__ = '.'.join(map(str, version_info))
  
new_contents: """Version info for pyvista."""
  # major, minor, patch
  version_info = 0, 27, 'dev0'
  
  # Nice string for the version
  __version__ = '.'.join(map(str, version_info))
  
subject: Use dev0 for dev version (#965)