<filename>mod_async/__init__.py
from mod_async.async import (
    AsyncMutex,
    AsyncSemaphore,
    AsyncValue,
    CallbackCancelled,
    Return,
    async_task,
    auto_run,
    from_adisp,
    from_future,
    run,
)

try:
    from mod_async.bw import TimeoutExpired, delay, timeout
except ImportError:
    pass

<filename>mod_async/__init__.py
from mod_async.async import (
    AsyncMutex,
    AsyncSemaphore,
    AsyncValue,
    CallbackCancelled,
    Return,
    async_task,
    auto_run,
    from_adisp,
    from_future,
    run,
)

try:
    from mod_async.bw import TimeoutExpired, delay, timeout
except ImportError:
    pass
