bpo-40521: Fix _PyContext_Fini() (GH-21103)

Only clear _token_missing in the main interpreter.
6 years ago · cde283d16d
1 changed files with 3 additions and 1 deletions
--- a/Python/context.c
+++ b/Python/context.c
@ -1302,7 +1302,9 @@ _PyContext_ClearFreeList(PyThreadState *tstate)
 void
 _PyContext_Fini(PyThreadState *tstate)
 {
-    Py_CLEAR(_token_missing);
+    if (_Py_IsMainInterpreter(tstate)) {
+        Py_CLEAR(_token_missing);
+    }
    _PyContext_ClearFreeList(tstate);
 #ifdef Py_DEBUG
    struct _Py_context_state *state = &tstate->interp->context;