new_contents: from datetime import datetime
  
  from twitter_aggregator import Aggregator as TwitterAggregator
  
  
  class Aggregator(TwitterAggregator):
  
      def search(self, query):
          res = self.connector.search.tweets(q=query)
          datas = []
          for tweet in res['statuses']:
              if 'retweeted_status' not in tweet:
                  data = {'social_id': tweet['id_str'],
                          'name': 'tweet %s' % tweet['id_str'],
                          'slug': 'tweet_%s' % tweet['id_str'],
                          'language': tweet['lang'],
                          'ressource_date': datetime.strptime(tweet['created_at'],
                                                              self.datetime_format),
                          'description': tweet['text'],
                          'author': tweet['user']['name'],
                          }
                  datas.append(data)
          return datas
  
subject: add a second version of twitter aggregator that don't aggreate retweets