def _populate_security_checks():
 if (not _security_checks):
  _security_checks[u'executable_check'] = ExecutableCodeCheck
  _security_checks[u'hosts_check'] = AllowedHostsCheck

def _populate_security_checks ( ) : if ( not _security_checks ) : _security_checks [ u'executable_check' ] = ExecutableCodeCheck _security_checks [ u'hosts_check' ] = AllowedHostsCheck
populate a list of existing security checks .