Python3.10 related fix taken from upstream [1,2].

[1] https://github.com/cea-hpc/clustershell/pull/487
[2] https://github.com/cea-hpc/clustershell/commit/5ac85daf74056ec7e60778efec94c746a150142c

diff --git a/tests/CLIConfigTest.py b/tests/CLIConfigTest.py
index 2853398..db6cec5 100644
--- a/tests/CLIConfigTest.py
+++ b/tests/CLIConfigTest.py
@@ -229,7 +229,7 @@ class CLIClushConfigTest(unittest.TestCase):
         display = Display(options, config)
 
         # force a lower soft limit
-        resource.setrlimit(resource.RLIMIT_NOFILE, (hard2/2, hard))
+        resource.setrlimit(resource.RLIMIT_NOFILE, (hard2//2, hard))
         # max_fdlimit should increase soft limit again
         set_fdlimit(config.fd_max, display)
         # verify
-- 
2.35.1