import select __author__ = 'Quantum' engines = {} from .select_server import SelectServer # noqa: E402, import not at top for consistency engines['select'] = SelectServer if hasattr(select, 'poll'): from .poll_server import PollServer engines['poll'] = PollServer if hasattr(select, 'epoll'): from .epoll_server import EpollServer engines['epoll'] = EpollServer del select