Linting and grouping.

engine-api.py

engine-core.py

modules/base/mail.py

modules/base/models.py

modules/base/utils.py

modules/cli/padavan.py

modules/cli/redis/adapter.py

modules/cli/redis/channels.py

modules/cli/redis/messenger.py

modules/core/channels.py

modules/core/engine.py

modules/core/events.py

modules/core/liquidsoap/playerclient.py

modules/scheduling/calendar.py

modules/scheduling/fallback_manager.py

modules/scheduling/scheduler.py

modules/scheduling/types.py