Update app.py

app.py

@@ -111,7 +111,10 @@ def get_comments(news_url):
         return title.text.strip(), article.text.strip(), processing_data(json_data['result']['commentList'])
     else if ('insta' in news_url):
         list = news_url.split('/')
-        pid = list[-2] + list[-1]
+        if list[-1]:
+            pid = list[-1]
+        else:
+            pid = list[-2]
         L = instaloader.Instaloader()
         post = Post.from_shortcode(L.context, pid)