#NEWLINE# def verify( self , key_file = '' ) : #NEWLINE# #INDENT# try : #NEWLINE# #INDENT# valid_instance ( exc . response ) #NEWLINE# #UNINDENT# except NotValid as exc : #NEWLINE# #INDENT# logger . error ( ( 'Not valid response: %s' % exc . args [ 0 ] ) ) #NEWLINE# raise #NEWLINE# #UNINDENT# return self