Fix compiler warning related to issue #14331.  harmless.
diff --git a/Python/import.c b/Python/import.c
index 4d8a610..108a1e1 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -1267,7 +1267,8 @@
     }
     name = PyMem_MALLOC(MAXPATHLEN+1);
     if (name == NULL) {
-        return PyErr_NoMemory();
+        PyErr_NoMemory();
+        return NULL;
     }
     strcpy(name, subname);