Make black and flake8 compatible

[mml5bg]

Description

This PR fixes compatibility between black and flake8 settings.

Issue ticket number and link

https://github.com/orgs/eclipse-velocitas/projects/7?pane=issue&itemId=37837378

Checklist

• [ ] Vehicle App can be started with dapr run and is connecting to vehicle data broker

• [ ] Vehicle App can process MQTT messages and call the seat service

• [ ] Vehicle App can be deployed to local K3D and is running

• [ ] Created/updated tests, if necessary. Code Coverage percentage on new code shall be >= 70%.

• [ ] Extended the documentation in Velocitas repo

• [ ] Extended the documentation in README.md

• [ ] Devcontainer can be opened successfully

• [ ] Devcontainer can be opened successfully behind a corporate proxy

• [ ] Devcontainer can be re-built successfully

• [ ] Release workflow is passing

[kse3hi]

Please check why some checks are failing.