diff --git a/mmengine/config/utils.py b/mmengine/config/utils.py
index 36f07466b2..8c337298c7 100644
--- a/mmengine/config/utils.py
+++ b/mmengine/config/utils.py
@@ -9,7 +9,7 @@
 from typing import List, Optional, Tuple, Union
 
 from mmengine.fileio import load
-from mmengine.utils import check_file_exist
+from mmengine.utils import check_file_exist, digit_version
 
 PYTHON_ROOT_DIR = osp.dirname(osp.dirname(sys.executable))
 
@@ -176,7 +176,8 @@ def _is_builtin_module(module_name: str) -> bool:
         return False
     origin_path = osp.abspath(origin_path)
     if ('site-package' in origin_path or 'dist-package' in origin_path
-            or not origin_path.startswith(PYTHON_ROOT_DIR)):
+            or not origin_path.startswith(
+                (PYTHON_ROOT_DIR, '/usr/lib/python'))):
         return False
     else:
         return True