#NEWLINE# def _create_file( self ) : #NEWLINE# #INDENT# temp = tempfile . NamedTemporaryFile ( prefix = 'fwdtest' , delete = False ) #NEWLINE# temp . write ( ', ' . join ( [ str ( x ) for x in range ( 1 , 81 ) ] ) ) #NEWLINE# temp . write ( ', ' . join ( [ str ( x ) for x in range ( 1 , 21 ) ] ) ) #NEWLINE# temp . close #NEWLINE# return temp . name