added comment, why don't use 301 redirect

redirectShortenURL.py

@@ -26,6 +26,6 @@ def redirectShortenURL(request, short_url):
                 print(Exception)
                 cursor.execute('INSERT INTO ANALYTICS (SHORT_URL) VALUES ("' + host + "/" + short_url.lower() + "\")")
 
-            return redirect(url)
+            return redirect(url) #I use temp redirect here, because the owner of a link can delete it. If then the link is reused, the user will maybe redirected to the wrong page
         else:
             abort(404)