code: def load_config(self):
          
          logger.debug('loading config file: %s', self.config_file)
          if os.path.exists(self.config_file):
              with open(self.config_file) as file_handle:
                  return json.load(file_handle)
          else:
              logger.error('configuration file is required for eventify')
          logger.error('unable to load configuration for service')
          raise EventifyConfigError(
              'Configuration is required! Missing: %s' % self.config_file
          )
docs: Load configuration for the service
  
          Args:
              config_file: Configuration file path