old_contents: # It is important to store the version number in a separate file
  # so that we can read it from setup.py without importing the package
  __version__ = "3.0b2"
  
new_contents: # It is important to store the version number in a separate file
  # so that we can read it from setup.py without importing the package
  __version__ = "3.0b3"
  
subject: Bump version