Update fatal error message.

ZeroIntensity · ZeroIntensity · commit 03fa2af35960 · 2025-05-28T20:49:47.000-04:00
diff --git a/Python/pystate.c b/Python/pystate.c
@@ -1749,7 +1749,8 @@ decref_interpreter(PyInterpreterState *interp)
     if (old == 1 && shutting_down_natives(interp)) {
         _PyEvent_Notify(&finalizing->finished);
     } else if (old <= 0) {
-        Py_FatalError("interpreter has negative reference count");
+        Py_FatalError("interpreter has negative reference count, likely due"
+                      " to an extra PyInterpreterRef_Close()");
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1749,7 +1749,8 @@ decref_interpreter(PyInterpreterState *interp)`
`1749`	`1749`	`if (old == 1 && shutting_down_natives(interp)) {`
`1750`	`1750`	`_PyEvent_Notify(&finalizing->finished);`
`1751`	`1751`	`} else if (old <= 0) {`
`1752`		`- Py_FatalError("interpreter has negative reference count");`
	`1752`	`+ Py_FatalError("interpreter has negative reference count, likely due"`
	`1753`	`+ " to an extra PyInterpreterRef_Close()");`
`1753`	`1754`	`}`
`1754`	`1755`	`}`
`1755`	`1756`