def _get_client_id_from_environ():
 assert ('OAUTH_CLIENT_ID' in os.environ)
 return os.environ['OAUTH_CLIENT_ID']

def _get_client_id_from_environ ( ) : assert ( 'OAUTH_CLIENT_ID' in os . environ ) return os . environ [ 'OAUTH_CLIENT_ID' ]
returns client id based on values stored in os .