old_contents: 
  release_major = 2
  release_minor = 0
  release_patch = 1
  release_so_abi_rev = 0
  
  # These are set by the distribution script
  release_vc_rev = None
  release_datestamp = 0
  release_type = 'unreleased'
  
new_contents: 
  release_major = 2
  release_minor = 1
  release_patch = 0
  release_so_abi_rev = 0
  
  # These are set by the distribution script
  release_vc_rev = None
  release_datestamp = 0
  release_type = 'unreleased'
  
subject: Update version number