old_contents: """
  Version module.
  This module defines the package version for use in __init__.py and setup.py.
  """
  
  __version__ = '0.3.0a2'
  
new_contents: """
  Version module.
  This module defines the package version for use in __init__.py and setup.py.
  """
  
  __version__ = '0.3.0a3'
  
subject: Bump version