--- contrib/python/six/py2/six.py	(index)
+++ contrib/python/six/py2/six.py	(working tree)
@@ -274,7 +274,7 @@ _moved_attributes = [
     MovedModule("collections_abc", "collections", "collections.abc" if sys.version_info >= (3, 3) else "collections"),
     MovedModule("copyreg", "copy_reg"),
     MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
-    MovedModule("dbm_ndbm", "dbm", "dbm.ndbm"),
+    # MovedModule("dbm_ndbm", "dbm", "dbm.ndbm"),
     MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread" if sys.version_info < (3, 9) else "_thread"),
     MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
     MovedModule("http_cookies", "Cookie", "http.cookies"),