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-rw-r--r--Lib/asyncio/selector_events.py1
-rw-r--r--Misc/ACKS1
-rw-r--r--Misc/NEWS.d/next/Library/2023-07-07-03-05-58.gh-issue-106503.ltfeiH.rst2
3 files changed, 4 insertions, 0 deletions
diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
index fa2422b..f895750 100644
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -1202,6 +1202,7 @@ class _SelectorSocketTransport(_SelectorTransport):
def close(self):
self._read_ready_cb = None
+ self._write_ready = None
super().close()
diff --git a/Misc/ACKS b/Misc/ACKS
index 454b631..ef0029a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -615,6 +615,7 @@ Marius Gedminas
Jan-Philip Gehrcke
Thomas Gellekum
Gabriel Genellina
+Andrew Geng
Philip Georgi
Christos Georgiou
Elazar (אלעזר) Gershuni
diff --git a/Misc/NEWS.d/next/Library/2023-07-07-03-05-58.gh-issue-106503.ltfeiH.rst b/Misc/NEWS.d/next/Library/2023-07-07-03-05-58.gh-issue-106503.ltfeiH.rst
new file mode 100644
index 0000000..b8dd850
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-07-07-03-05-58.gh-issue-106503.ltfeiH.rst
@@ -0,0 +1,2 @@
+Fix ref cycle in :class:`!asyncio._SelectorSocketTransport` by removing
+``_write_ready`` in ``close``.