old_contents: from blckur.constants import *
  from blckur.exceptions import *
  
  class ReportHandler(object):
      def response(self, msg):
          print msg
  
      def error(self, error):
          print error
  
new_contents: from blckur.constants import *
  from blckur.exceptions import *
  
  class ReportHandler(object):
      def response(self, msg):
          print msg
  
      def error(self, msg):
          print msg
  
subject: Update error handler