old_contents: import json
  import os
  import logging
  
  logger = logging.getLogger(__name__)
  
  HERE = os.path.dirname(os.path.realpath(__file__))
  
  groups = json.load(open('{0}/defaults.json'.format(HERE)))
  try:
      fp = open('{0}/local.json'.format(HERE))
  except IOError:
      logger.info('No local.json found to populate lists of DraftRegistrationApproval authorizers.')
  for group, members in json.load(fp).iteritems():
      if group not in groups:
          groups[group] = members
      else:
          groups[group] = set(groups[group]) | set(members)
  
  def members_for(group):
      global_members = set(groups['global'])
      return global_members | set(groups.get(group, []))
  
new_contents: import json
  import os
  import logging
  
  logger = logging.getLogger(__name__)
  
  HERE = os.path.dirname(os.path.realpath(__file__))
  
  groups = json.load(open('{0}/defaults.json'.format(HERE)))
  fp = None
  try:
      fp = open('{0}/local.json'.format(HERE))
  except IOError:
      logger.info('No local.json found to populate lists of DraftRegistrationApproval authorizers.')
  if fp:
      for group, members in json.load(fp).iteritems():
          if group not in groups:
              groups[group] = members
          else:
              groups[group] = set(groups[group]) | set(members)
  
  def members_for(group):
      global_members = set(groups['global'])
      return global_members | set(groups.get(group, []))
  
subject: Allow local.json to be missing