Coding Style

Lines length should not exceed 120 characters. Please use trailing commas.

You can find our complete flake8 configuration in the tox.ini_ file.

Encoding

Every Python source file should be encoded as UTF-8. As per PEP 263, the first or the second line must be:

# coding=utf-8

Data Sets

For each data set, please provide a comment with reference to the source and/or origin of the data.

Name Lists

When you have long lists of names, please order them alphabetically. Keep the lines length as close as possible to 120 characters, without exceeding the limit.