diff options
Diffstat (limited to 'Lib/asyncio')
| -rw-r--r-- | Lib/asyncio/base_futures.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/asyncio/base_futures.py b/Lib/asyncio/base_futures.py index 64f7845..01259a0 100644 --- a/Lib/asyncio/base_futures.py +++ b/Lib/asyncio/base_futures.py @@ -27,7 +27,8 @@ def isfuture(obj): itself as duck-type compatible by setting _asyncio_future_blocking. See comment in Future for more details. """ - return getattr(obj, '_asyncio_future_blocking', None) is not None + return (hasattr(obj.__class__, '_asyncio_future_blocking') and + obj._asyncio_future_blocking is not None) def _format_callbacks(cb): |