make sure alert is set to success/something, even if we are just getting an author - it was unset in this scenario

main.py

@@ -166,6 +166,7 @@ def authors():
 @app.route("/author/<id>", methods=["GET", "POST"])
 def author(id):
     ### DDP: should this be request.form or request.values?
+    alert="Success"
     author_form = AuthorForm(request.form)
     if request.method == 'POST' and author_form.validate():
         id = request.form['id']
@@ -181,7 +182,6 @@ def author(id):
             author.surname = request.form['surname']
             db.session.commit()
             message="Successfully Updated Author (id={})".format(id)
-            alert="Success"
     else:
         author = Author.query.get(id)
         author_form = AuthorForm(request.values, obj=author)