code: def keys():
      
      for admin in current_app.config['ADMIN_USERS']:
          try:
              db.get_db()  # init db on global app context
              keys = ApiKey.find_by_user(admin)
          except Exception as e:
              click.echo('ERROR: {}'.format(e))
          else:
              for key in keys:
                  click.echo('{:40} {}'.format(key.key, key.user))
docs: List admin API keys.