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gh-106503: asyncio._SelectorSocketTransport: free another cyclic reference on close(). #106504

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merged 1 commit into from
Jul 7, 2023
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gh-106503: asyncio._SelectorSocketTransport: free another cyclic reference on close(). #106504

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1 change: 1 addition & 0 deletions Lib/asyncio/selector_events.py
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Expand Up @@ -1202,6 +1202,7 @@ def _reset_empty_waiter(self):

def close(self):
self._read_ready_cb = None
self._write_ready = None
super().close()


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1 change: 1 addition & 0 deletions Misc/ACKS
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Expand Up @@ -615,6 +615,7 @@ Marius Gedminas
Jan-Philip Gehrcke
Thomas Gellekum
Gabriel Genellina
Andrew Geng
Philip Georgi
Christos Georgiou
Elazar (אלעזר) Gershuni
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2023-07-07-03-05-58.gh-issue-106503.ltfeiH.rst
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@@ -0,0 +1,2 @@
Fix ref cycle in :class:`!asyncio._SelectorSocketTransport` by removing
``_write_ready`` in ``close``.