#424: Introduce flake8 pre-commit hook, conf and job

• Set to 101 line length
• because there is quite a lot ending at 101 chars
• In .flake8, because pyproject.toml is not yet supported
• flake8: E501 line too long
• Apply flake8

Close #424 (closed).

changed milestone to %0.11.0

added CI/CD Dev Env enhancement labels

requested review from @moul

assigned to @moul

added 3 commits

• 7460736e - [mod] #424 (closed): Introduce flake8 pre-commit hook, conf and job
• d9e37d71 - [mod] #424 (closed): Apply flake8
• b5e62c08 - [mod] #424 (closed): flake8: E501 line too long

Compare with previous version

enabled an automatic merge when the pipeline for b5e62c08 succeeds

merged

changed the description