Django[1] source is lovely, and they're pretty rigid about PEP rules, so it's a stellar example. Flask[2] source code is also lovely. [1] - https://github.com

Django[1] source is lovely, and they're pretty rigid about PEP rules, so it's a stellar example. Flask[2] source code is also lovely. [1] - https://github.com/django/django https://github.com/django/django [2] - https://github.com/mitsuhiko/flask https://github.com/mitsuhiko/flask