limit news article length for the summary model

app.py

@@ -61,7 +61,7 @@ class news_collector:
         news_links = self.get_news_links()
         for news_url in news_links:
             article = self.get_new_parser(news_url)
-            self.examples.append(get_summary(article.text))
+            self.examples.append(get_summary(article.text[:1000]))