Update article classification from 'site' to 'category' for policy interpretation

source/gov.py

@@ -83,7 +83,7 @@ def crawl(delta):
                             article = {}
                             url = url.replace('../', 'https://www.gov.cn/zhengce/')
                             if "https://www.gov.cn" in url:
-                                article['site'] = "State Council of China"
+                                article['category'] = "Policy Interpretation"
                                 crawl_by_url(url, article)
                         except (urllib.error.URLError, etree.XMLSyntaxError) as error:
                             logger.error(error)