Style guides/code style

Styleguides and lists of styleguides

Kristories/awesome-guidelines (en).
kciter/awesome-style-guide (en).
RichardLitt/awesome-styleguides (en).
Code Style @ The Hitchhiker’s Guide to Python (en).
best-doctor/guides (ru).

Talks and lists of talks on code style related themes

jhermann/awesome-python-talks – (en).
Raymond Hettinger - Beyond PEP 8 (en).
Raymond Hettinger - Transforming Code into Beautiful, Idiomatic Python (en).
Jack Diederich – Stop Writing Classes (en).

Linters

awesome-flake8-extensions – list of flake8 extensions (en).
wemake-python-styleguide – strictest and most opinionated python linter ever (en).