Issue #20505: Oops, only print debug info if selector.select(timeout) took less
than timeout
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index e9cb934..0200d35 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -639,7 +639,7 @@
event_list = self._selector.select(timeout)
dt = time.perf_counter() - t0
dt_monotonic = time.monotonic() - t0_monotonic
- if not event_list and timeout: # and dt < timeout:
+ if not event_list and timeout and dt < timeout:
selector = self._selector.__class__.__name__
if (selector.startswith(("Poll", "Epoll", "Iocp"))
or timeout > 1e-3 or dt > 1e-3):