From c57f2cc6ffb12de8808e28347c5c35433f582d61 Mon Sep 17 00:00:00 2001
From: Takashi Kajinami <kajinamit@oss.nttdata.com>
Date: Fri, 10 Nov 2023 18:28:56 +0900
Subject: [PATCH] Avoid RuntimeError caused by iteration over sys.modules

As is described in the doc[1], we should not iterate over sys.modules
directly because sys.modules can be changed during iterations.

[1] https://docs.python.org/3/library/sys.html#sys.modules

Change-Id: Iad4e19744ee78996728e44f3a1446c1c282ad437
---
 os_ken/tests/switch/tester.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os_ken/tests/switch/tester.py b/os_ken/tests/switch/tester.py
index e39513b7..62b88a1c 100644
--- a/os_ken/tests/switch/tester.py
+++ b/os_ken/tests/switch/tester.py
@@ -56,7 +56,7 @@ CLSNAME_ALIASES = {
     ('os_ken.lib.packet.ospf', 'StringifyMixin'): ''
 }
 
-for modname, moddef in sys.modules.items():
+for modname, moddef in sys.modules.copy().items():
     if not modname.startswith(PKT_LIB_PATH) or not moddef:
         continue
     for (clsname, clsdef, ) in inspect.getmembers(moddef):