python
diff --git a/‎Python/import.c
Copy file name to clipboardExpand all lines: Python/import.c
+12-4Lines changed: 12 additions & 4 deletions b/‎Python/import.c
Copy file name to clipboardExpand all lines: Python/import.c
+12-4Lines changed: 12 additions & 4 deletions
@@ -1270,7 +1270,7 @@ finish_singlephase_extension(PyThreadState *tstate,
                              PyObject *name, PyObject *modules)
 {
     assert(mod != NULL && PyModule_Check(mod));
-    assert(def == PyModule_GetDef(mod));
+    assert(def == _PyModule_GetDef(mod));
 
     if (_modules_by_index_set(tstate->interp, def, mod) < 0) {
         return -1;
@@ -1419,9 +1419,17 @@ create_dynamic(PyThreadState *tstate, struct _Py_ext_module_loader_info *info,
         goto finally;
     }
 
-    if (res.module == NULL) {
-        //assert(!is_singlephase(res.def));
-        mod = PyModule_FromDefAndSpec(res.def, spec);
+    mod = res.module;
+    res.module = NULL;
+    def = res.def;
+    assert(def != NULL);
+
+    if (mod == NULL) {
+        //assert(!is_singlephase(def));
+        mod = PyModule_FromDefAndSpec(def, spec);
+        if (mod == NULL) {
+            goto finally;
+        }
     }
     else {
         assert(is_singlephase(res.def));