old_contents: """
  Version module.
  This module defines the package version for use in __init__.py and setup.py.
  """
  
  __version__ = '0.1.10'
  
new_contents: """
  Version module.
  This module defines the package version for use in __init__.py and setup.py.
  """
  
  __version__ = '0.1.11a1'
  
subject: bump version to 0.1.11a1