Function async_run

tests/utils.py:101–113

(coro)

def async_run(coro):
    # This technique shamelessly cribbed from Textual itself...
    # `asyncio.get_event_loop()` is deprecated since Python 3.10:
    asyncio_get_event_loop_is_deprecated = sys.version_info >= (3, 10, 0)

    if asyncio_get_event_loop_is_deprecated:
        # N.B. This doesn't work with Python<3.10, as we end up with 2 event loops:
        return asyncio.run(coro)
    else:
        # pragma: no cover
        # However, this works with Python<3.10:
        event_loop = asyncio.get_event_loop()
        return event_loop.run_until_complete(coro)