diff options
Diffstat (limited to 'Lib/asyncio')
| -rw-r--r-- | Lib/asyncio/tasks.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py index e6389d8..a2ab881 100644 --- a/Lib/asyncio/tasks.py +++ b/Lib/asyncio/tasks.py @@ -251,7 +251,13 @@ class Task(futures.Future): else: if isinstance(result, futures.Future): # Yielded Future must come from Future.__iter__(). - if result._blocking: + if result._loop is not self._loop: + self._loop.call_soon( + self._step, + RuntimeError( + 'Task {!r} got Future {!r} attached to a ' + 'different loop'.format(self, result))) + elif result._blocking: result._blocking = False result.add_done_callback(self._wakeup) self._fut_waiter = result |