def _detect_environment():
    # ## -eventlet-
    if 'eventlet' in sys.modules:
        try:
            from eventlet.patcher import is_monkey_patched as is_eventlet
            import socket

            if is_eventlet(socket):
                return 'eventlet'
        except __HOLE__:
            pass

    # ## -gevent-
    if 'gevent' in sys.modules:
        try:
            from gevent import socket as _gsocket
            import socket

            if socket.socket is _gsocket.socket:
                return 'gevent'
        except ImportError:
            pass

    return 'default'
dataset/ETHPy150Open celery/kombu/kombu/syn.py/_detect_environment