Fix for Suspicious unused loop iteration variable

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

test/cluster/test_cluster_features.py

@@ -112,7 +112,8 @@ async def test_downgrade_after_partial_upgrade(manager: ManagerClient) -> None:
 
     # There is one node that is not upgraded. The feature should not be enabled.
     for srv in servers:
-        assert TEST_FEATURE_NAME not in await get_enabled_features(cql, host)
+        srv_host = (await wait_for_cql_and_get_hosts(cql, [srv], time.time() + 60))[0]
+        assert TEST_FEATURE_NAME not in await get_enabled_features(cql, srv_host)
 
     # Downgrade, in reverse order
     for srv in upgrading_servers[::-1]:

test/cqlpy/run.py

@@ -182,6 +182,7 @@ def cleanup_all():
             sys.stdout.flush()
             shutil.copyfileobj(f, sys.stdout.buffer)
         f.close()
+    scylla_set = set()
     print(summary)
 
 # We run the cleanup_all() function on exit for any reason - successful finish