old_contents: # Shared constants
  
  DEBUG = 'debug'
  DEV = 'dev'
  DOCX = 'docx'
  EXTRACT_IMAGES = 'extract_images'
  FORMAT_CHECKS = 'format_checks'
  GDOC = 'gdoc'
  IPYNB = 'ipynb'
  KP = 'kp'
  LDAP = 'ldap'
  MD = 'md'
  OAUTH = 'oauth'
  ORG = 'org'
  PDF = 'pdf'
  PROXY = 'proxy'
  USERNAME = 'username'
  ZIP = 'zip'
  
new_contents: # Shared constants
  
  DEBUG = 'debug'
  DEV = 'dev'
  DOCX = 'docx'
  EXTRACT_IMAGES = 'extract_images'
  FORMAT_CHECKS = 'format_checks'
  GDOC = 'gdoc'
  IPYNB = 'ipynb'
  KP = 'kp'
  LDAP = 'ldap'
  MD = 'md'
  OAUTH = 'oauth'
  ORG = 'org'
  PDF = 'pdf'
  PROXY = 'proxy'
  RMD = 'rmd'
  USERNAME = 'username'
  ZIP = 'zip'
  
subject: Add a missing constant