[google-appengine] Re: local development server (dev_appserver.py) not running in http://localhost:8080/

Hi, I didnt install those packages in first place. Now those are installed. But still same thing. Firefox shows a blank page and chrome the below messages: *This page isn’t working* *localhost is currently unable to handle this request.* *HTTP ERROR 500* (.venvp2) snag@mx-Xfce ~> pip list DEPRE

[google-appengine] local development server (dev_appserver.py) not running in http://localhost:8080/

Hello, I have followed the instructions mentioned in the below page: https://cloud.google.com/appengine/docs/standard/python/getting-started/creating-guestbook Local configuration: - Debian (10) Linux - Python 2.7.16 - Google Cloud SDK 362.0.0 - - cat /etc/hosts - 127.0.0.