[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

testing/test_remote.py

@@ -267,7 +267,7 @@ def test_func4(): pass
 
         worker.sendcommand("steal", indices=[1, 2])
         ev = worker.popevent("unscheduled")
-        # Cannot steal index 1 because it is completed already, so do not steal any. 
+        # Cannot steal index 1 because it is completed already, so do not steal any.
         assert ev.kwargs["indices"] == []
 
         # Index 2 can be stolen, as it is still pending.