This page is a quick reference for any known errata that have yet to be resolved.

Flake 8 and HTML Plugin - 2022-08-25

Currently the flake8-html plugin has not been updated to work with Flake 8 version 5.0.0.

The bug report is here:

In the meantime, you can fix this by locking flake8 to a version below 5.0.0 in the requirements.txt file by updating the entry for flake8 to the following:

# Lock flake8 to <5.0.0

Flake 8 - 2022-04-05


This error may have been resolved by moving Python to version 3.9 in Fall 2022. It has not been tested yet; this will be updated once it is tested and confirmed working.

In Python, you may get some errors when running Flake8 due to a bug. The error message references the “Markup” class as part of “Jinja2” which is used by the Flake8-html plugin.

The bug report and pull request to fix it is here: It has yet to be included in a new release.

In the meantime, you can fix this by adding the following information to your requirements.txt file:

# fix for broken jinja

Testing with Tox - 2023-03-29

Running tests that include a graphical interface via Tox may cause issues with x11 permissions.

This can be resolved by installing this PyTest plugin:

Documentation has not been updated to note this.