Update vectorizer.py

controllers/vectorizer.py

@@ -36,6 +36,7 @@ def vectorize(article):
     Returns:
     None
     """
+    article['id'] = str(article['id'])
     df = pd.DataFrame(article)
     df = df[['id','site','title','titleCN','category','author','content',
              'publishDate','link','attachment','sentimentScore','sentimentLabel']]