old_contents: import os
  import sys
  sys.path.append(os.path.join(os.path.dirname(__file__), "../../lib"))
  from plugin_set import PluginSet
  
  from utilities.logger import logger
  
  
  class AlertPluginSet(PluginSet):
  
      def send_message_to_plugin(self, plugin_class, message, metadata=None):
          if 'utctimestamp' in message and 'summary' in message:
              message_log_str = '{0} received message: ({1}) {2}'.format(plugin_class.__module__, message['utctimestamp'], message['summary'])
              logger.info(message_log_str)
  
          return plugin_class.onMessage(message), metadata
  
new_contents: import os
  import sys
  sys.path.append(os.path.join(os.path.dirname(__file__), "../../lib"))
  from plugin_set import PluginSet
  
  from utilities.logger import logger
  
  
  class AlertPluginSet(PluginSet):
  
      def send_message_to_plugin(self, plugin_class, message, metadata=None):
          if 'utctimestamp' in message and 'summary' in message:
              message_log_str = u'{0} received message: ({1}) {2}'.format(plugin_class.__module__, message['utctimestamp'], message['summary'])
              logger.info(message_log_str)
  
          return plugin_class.onMessage(message), metadata
  
subject: Convert debug message into unicode string