reserve pending exception after channel cleanup

lpyu001 · lpyu001 · commit 94a57d21bbcd · 2026-05-22T10:52:32.000+08:00
diff --git a/Modules/_interpchannelsmodule.c b/Modules/_interpchannelsmodule.c
@@ -2952,7 +2952,7 @@ channelsmod_create(PyObject *self, PyObject *args, PyObject *kwds)
     if (handle_channel_error(err, self, cid)) {
         assert(cidobj == NULL);
         err = channel_destroy(&_globals.channels, cid);
-        if (handle_channel_error(err, self, cid)) {
+        if (err != 0 && handle_channel_error(err, self, cid)) {
             // XXX issue a warning?
         }
         return NULL;

Original file line number	Diff line number	Diff line change
`@@ -2952,7 +2952,7 @@ channelsmod_create(PyObject self, PyObject args, PyObject *kwds)`
`2952`	`2952`	`if (handle_channel_error(err, self, cid)) {`
`2953`	`2953`	`assert(cidobj == NULL);`
`2954`	`2954`	`err = channel_destroy(&_globals.channels, cid);`
`2955`		`- if (handle_channel_error(err, self, cid)) {`
	`2955`	`+ if (err != 0 && handle_channel_error(err, self, cid)) {`
`2956`	`2956`	`// XXX issue a warning?`
`2957`	`2957`	`}`
`2958`	`2958`	`return NULL;`