#NEWLINE# def markGood( self , mx ) : #NEWLINE# #INDENT# 'Indicate a given mx host is back online.\n\n        @type mx: C{str}\n        @param mx: The hostname of the host which is up.\n        ' #NEWLINE# try : #NEWLINE# #INDENT# del self . badMXs [ mx ] #NEWLINE# #UNINDENT# except KeyError : #NEWLINE# #INDENT# pass