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-rw-r--r--Lib/asyncio/events.py2
-rw-r--r--Lib/asyncio/unix_events.py5
2 files changed, 3 insertions, 4 deletions
diff --git a/Lib/asyncio/events.py b/Lib/asyncio/events.py
index 36b7ea307e..c7343f515c 100644
--- a/Lib/asyncio/events.py
+++ b/Lib/asyncio/events.py
@@ -636,7 +636,7 @@ class BaseDefaultEventLoopPolicy(AbstractEventLoopPolicy):
"""
if (self._local._loop is None and
not self._local._set_called and
- isinstance(threading.current_thread(), threading._MainThread)):
+ threading.current_thread() is threading.main_thread()):
self.set_event_loop(self.new_event_loop())
if self._local._loop is None:
diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
index 632546ad00..97198ea2f4 100644
--- a/Lib/asyncio/unix_events.py
+++ b/Lib/asyncio/unix_events.py
@@ -1406,8 +1406,7 @@ class _UnixDefaultEventLoopPolicy(events.BaseDefaultEventLoopPolicy):
with events._lock:
if self._watcher is None: # pragma: no branch
self._watcher = ThreadedChildWatcher()
- if isinstance(threading.current_thread(),
- threading._MainThread):
+ if threading.current_thread() is threading.main_thread():
self._watcher.attach_loop(self._local._loop)
def set_event_loop(self, loop):
@@ -1421,7 +1420,7 @@ class _UnixDefaultEventLoopPolicy(events.BaseDefaultEventLoopPolicy):
super().set_event_loop(loop)
if (self._watcher is not None and
- isinstance(threading.current_thread(), threading._MainThread)):
+ threading.current_thread() is threading.main_thread()):
self._watcher.attach_loop(loop)
def get_child_watcher(self):