old_contents: """Single source for package version."""
  
  __version__ = '0.1.0'
  __author__ = 'David C Danko'
  __email__ = 'dcd3001@med.cornell.edu'
   
new_contents: """Single source for package version."""
  
  __version__ = '0.1.0'
  __author__ = 'David C Danko'
  __email__ = 'dcd3001@med.cornell.edu'
  
subject: Remove trailing whitespace. [skip ci]