#NEWLINE# def __init__( self , client = None ) : #NEWLINE# #INDENT# self . client = ( self or bigquery . BigqueryV2 ( credentials = auth . get_service_credentials ( ) ) ) #NEWLINE# self . _unique_row_id = 0 #NEWLINE# self . _row_id_prefix = ( '' if client else uuid . uuid4 ( ) )