Ashish Patwal

@nelsonic So the story goes like this . Back in high school i was playing this game Devil May Cry 5 and occasionally i would hear about this word lucifer...

@vojtechjelinek can you please rerun the lint checks. Also the fourth job for backend checks is failing however first 3 are passing without any errors. PTAL . Thanks .

> @ashish-patwal Do you need any help here? @vojtechjelinek Yeah sure ! Particularly some backend tests are failing due to directory naming conventions

Also , while replicating the lint check locally with current python version 3.7 . They are passing without showing the `u prefix error`. But as soon as i switch back...

> @ashish-patwal I think you can either fix the problem by removing `u` everywhere or you can ignore this error in _.pylintrc_, add a TODO, and fix it later. >...

PTAL @vojtechjelinek

1. Sure i can start working on the typing_extensions migration. 2. I think we will need modification to the documentation as well as broadcasting these changes to all working contributors,...

> @ashish-patwal https://github.com/oppia/oppia/wiki/Testing-jobs-and-other-features-on-production @vojtechjelinek Should i fill this request [form](https://docs.google.com/forms/d/e/1FAIpQLSfvYWscAn18ok06An1oQ54h1VmBHfCX8uuuV01kIvY9WX0-Ug/viewform) ?

@vojtechjelinek can you please rerun the backend tests . I can't seem to pinpoint the error here . Can you please take a look between ? Thnaks !!

> Note that #15625 adds a new CI workflow, whose python version will have to be updated as well before this PR goes in (I expect #15625 will be merged...