old_contents: # Copyright 2020 Google LLC
  #
  # Use of this source code is governed by a BSD-style
  # license that can be found in the LICENSE file or at
  # https://developers.google.com/open-source/licenses/bsd
  
  __version__ = "2.2.0a1"
  
new_contents: # Copyright 2020 Google LLC
  #
  # Use of this source code is governed by a BSD-style
  # license that can be found in the LICENSE file or at
  # https://developers.google.com/open-source/licenses/bsd
  
  __version__ = "2.2.1b0"
  
subject: Bump version ahead of lateset release (#571)