Address review

Author: sobolevn

Lib/test/datetimetester.py

@@ -7512,6 +7512,7 @@ def func():
     @support.cpython_only
     @support.subTests(("setup", "call"), [
         ("obj = _datetime.timedelta", "obj(seconds=2)"),
+        ("obj = _datetime.timedelta(seconds=2)", "obj.total_seconds()"),
         ("obj = _datetime.date(2026, 6, 7)", "obj.isocalendar()"),
     ])
     def test_static_datetime_types_outlive_collected_module(self, setup, call):

Modules/_datetimemodule.c

@@ -139,17 +139,15 @@ get_current_module(PyInterpreterState *interp, PyObject **p_mod)
     if (PyDict_GetItemRef(dict, INTERP_KEY, &ref) < 0) {
         goto error;
     }
-    if (ref != NULL) {
-        if (ref != Py_None) {
-            if (PyWeakref_GetRef(ref, &mod) < 0) {
-                Py_DECREF(ref);
-                goto error;
-            }
-            if (mod == Py_None) {
-                Py_CLEAR(mod);
-            }
+    if (ref != NULL && ref != Py_None) {
+        if (PyWeakref_GetRef(ref, &mod) < 0) {
             Py_DECREF(ref);
+            goto error;
+        }
+        if (mod == Py_None) {
+            Py_CLEAR(mod);
         }
+        Py_DECREF(ref);
     }
     assert(!PyErr_Occurred());
     *p_mod = mod;