dockipelago/worlds/starfox64/data/__init__.py

import importlib
from . import Game
from .Game import items

regions = {}

for module_name in Game.region_modules:
  module = importlib.import_module(f".{module_name}", __name__)
  if hasattr(module, "extra_regions"):
    Game.region_modules += [f"{module_name}.{extra}" for extra in module.extra_regions]
  for region_name, region in module.regions.items():
    if region_name in regions: raise Exception(f"Duplicated Region from {module_name}: '{region_name}'")
    regions[region_name] = region