From b0e69fcbc8104e1ee52d17516389e695b3ba83f5 Mon Sep 17 00:00:00 2001
From: Gabriel Ferreira <gabrielcarvfer@gmail.com>
Date: Fri, 28 Oct 2022 01:15:07 -0300
Subject: [PATCH] bindings: use lru_cache to support older Python releases

---
 bindings/python/ns__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bindings/python/ns__init__.py b/bindings/python/ns__init__.py
index 3165bafe3..ff628f25f 100644
--- a/bindings/python/ns__init__.py
+++ b/bindings/python/ns__init__.py
@@ -1,6 +1,6 @@
 import builtins
 from copy import copy
-from functools import cache
+from functools import lru_cache
 import glob
 import os.path
 import sys
@@ -53,7 +53,7 @@ def trim_library_path(library_path: str) -> str:
     return trimmed_library_path
 
 
-@cache
+@lru_cache(maxsize=None)
 def _search_libraries() -> dict:
     # Otherwise, search for ns-3 libraries
     # Should be the case when ns-3 is installed as a package