[digiltd]

The virtual environment we are referring to is virtualenv, it's a Python tool that allows you to set up a contained version of python in a single folder. A virtual machine is different, you don't need to use a virtual machine.

It is covered in the readme (search the readme for virtualenv) and is a requirement of zappa.

Ok, so to "undeploy" a zappa app you use the command "zappa undeploy dev". But if you have reinstalled several times and been removing the IAM credentials, then that might not work. But try "zappa undeploy dev" first. If it doesn't find anything (bear in mind it is hard to know what to tell you without knowing what you have done) then you can manually go through AWS and check the following:

on any aws page click the services drop top (top left) and type "api" then click on "api gateway"

if there are any APIs, click on the API name, then Actions > Delete API

if you just see the "getting started" page then you don't have any APIs setup

next thing is click the service dropdown again and type "cloudwatch" then on the left goto Events > Rules and delete any "keep warm" rules

that should be it, you have already checked your lambda functions so you know how to do that

though next time, if you want to delete the app, use "zappa undeploy"

also, if you get stuck again, it is best to just stop and ask for help rather than guessing