Fix clang compiler warning

vstinner · vstinner · commit d958a75d228f · 2026-01-08T14:24:02.000+01:00
diff --git a/Python/errors.c b/Python/errors.c
@@ -1656,6 +1656,7 @@ format_unraisable_v(const char *format, va_list va, PyObject *obj)
     _Py_EnsureTstateNotNULL(tstate);
 
     PyObject *err_msg = NULL;
+    PyObject *hook = NULL;
     PyObject *exc_type, *exc_value, *exc_tb;
     _PyErr_Fetch(tstate, &exc_type, &exc_value, &exc_tb);
 
@@ -1692,7 +1693,6 @@ format_unraisable_v(const char *format, va_list va, PyObject *obj)
         }
     }
 
-    PyObject *hook = NULL;
     PyObject *hook_args = make_unraisable_hook_args(
         tstate, exc_type, exc_value, exc_tb, err_msg, obj);
     if (hook_args == NULL) {

Original file line number	Diff line number	Diff line change
`@@ -1656,6 +1656,7 @@ format_unraisable_v(const char format, va_list va, PyObject obj)`
`1656`	`1656`	`_Py_EnsureTstateNotNULL(tstate);`
`1657`	`1657`
`1658`	`1658`	`PyObject *err_msg = NULL;`
	`1659`	`+ PyObject *hook = NULL;`
`1659`	`1660`	`PyObject exc_type, exc_value, *exc_tb;`
`1660`	`1661`	`_PyErr_Fetch(tstate, &exc_type, &exc_value, &exc_tb);`
`1661`	`1662`
`@@ -1692,7 +1693,6 @@ format_unraisable_v(const char format, va_list va, PyObject obj)`
`1692`	`1693`	`}`
`1693`	`1694`	`}`
`1694`	`1695`
`1695`		`- PyObject *hook = NULL;`
`1696`	`1696`	`PyObject *hook_args = make_unraisable_hook_args(`
`1697`	`1697`	`tstate, exc_type, exc_value, exc_tb, err_msg, obj);`
`1698`	`1698`	`if (hook_args == NULL) {`