Fix /favicon endpoint

README.md

@@ -1,7 +1,7 @@
 # Deploy a Python (Flask) web app to Azure App Service - Sample Application
 
-This is the sample Flask application for the Azure Quickstart [Deploy a Python (Django or Flask) web app to Azure App Service](https://docs.microsoft.com/en-us/azure/app-service/quickstart-python).  For instructions on how to create the Azure resources and deploy the application to Azure, refer to the Quickstart article.
+This is the sample Flask application for the Azure Quickstart [Deploy a Python (Django or Flask) web app to Azure App Service](https://docs.microsoft.com/en-us/azure/app-service/quickstart-python). For instructions on how to create the Azure resources and deploy the application to Azure, refer to the Quickstart article.
 
 A Django sample application is also available for the article at [https://github.com/Azure-Samples/msdocs-python-django-webapp-quickstart](https://github.com/Azure-Samples/msdocs-python-django-webapp-quickstart).
 
-If you need an Azure account, you can [create on for free](https://azure.microsoft.com/en-us/free/).
+If you need an Azure account, you can [create one for free](https://azure.microsoft.com/en-us/free/).

app.py

@@ -1,5 +1,8 @@
-from datetime import datetime
-from flask import Flask, render_template, request, redirect, url_for, send_from_directory
+import os
+
+from flask import (Flask, redirect, render_template, request,
+                   send_from_directory, url_for)
+
 app = Flask(__name__)
 
 
@@ -26,4 +29,4 @@ def hello():
 
 
 if __name__ == '__main__':
-   app.run()
+   app.run()