old_contents: from infra_buddy.context.deploy_ctx import DeployContext
  import datadog as dd
  
  
  class DataDogNotifier(object):
      def __init__(self, key, deploy_context):
          # type: (DeployContext) -> None
          super(DataDogNotifier, self).__init__()
          self.deploy_context = deploy_context
          dd.initialize(api_key=key)
  
      def notify_event(self, title, type, message):
          dd.api.Event.create(title=title,
                              text=message,
                              alert_type=type,
                              tags=self._get_tags())
  
      def _get_tags(self):
          return ['application:{app},role:{role},environment:{env}'.format(
              app=self.deploy_context.application,
              role=self.deploy_context.role,
              env=self.deploy_context.environment)]
  
new_contents: import datadog as dd
  
  
  class DataDogNotifier(object):
      def __init__(self, key, deploy_context):
          # type: (DeployContext) -> None
          super(DataDogNotifier, self).__init__()
          self.deploy_context = deploy_context
          dd.initialize(api_key=key)
  
      def notify_event(self, title, type, message):
          dd.api.Event.create(title=title,
                              text=message,
                              alert_type=type,
                              tags=self._get_tags())
  
      def _get_tags(self):
          return ['application:{app},role:{role},environment:{env}'.format(
              app=self.deploy_context.application,
              role=self.deploy_context.role,
              env=self.deploy_context.environment)]
  
subject: Remove import for type annotation