Short description

following dependency is missing from requirements, which makes docker-compose build fail
I'm adding a PR that will fix this.

markupsafe==1.1.1

Reproduction steps

1. git clone
2. docker-compose build

Expected results

build the image

Actual results

instead of building the image, it will fail saying there's no such module as markupsafe.

On which platforms did you notice this:

Please complete the following information:

• Docker version 19

Backtrace

Please copy paste the backtrace here if available

Solution

solution is to add the depencency to requirements.txt file as stated above