From b92527fc3d92f5b874437b13f7014e1349d2c61c Mon Sep 17 00:00:00 2001
From: "Michael R. Crusoe" <michael.crusoe@gmail.com>
Date: Wed, 17 Apr 2024 09:48:25 +0200
Subject: [PATCH] cleanups

---
 cwltool/errors.py     | 4 +++-
 cwltool/job.py        | 3 ++-
 cwltool/task_queue.py | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/cwltool/errors.py b/cwltool/errors.py
index 361853cdb5..f402633779 100644
--- a/cwltool/errors.py
+++ b/cwltool/errors.py
@@ -18,8 +18,10 @@ class WorkflowKillSwitch(Exception):
     """When processStatus != "success" and on-error=kill, raise this exception."""
 
     def __init__(self, job_id, rcode):
+        """Record the job identifier and the error code."""
         self.job_id = job_id
         self.rcode = rcode
 
     def __str__(self):
-        return f'[job {self.job_id}] activated kill switch with return code {self.rcode}'
+        """Represent this exception as a string."""
+        return f"[job {self.job_id}] activated kill switch with return code {self.rcode}"
diff --git a/cwltool/job.py b/cwltool/job.py
index 3c27d2c417..02288cab03 100644
--- a/cwltool/job.py
+++ b/cwltool/job.py
@@ -547,7 +547,8 @@ def monitor_kill_switch() -> None:
             nonlocal ks_tm
             if kill_switch.is_set():
                 _logger.error("[job %s] terminating by kill switch", self.name)
-                if sproc.stdin: sproc.stdin.close()
+                if sproc.stdin:
+                    sproc.stdin.close()
                 sproc.terminate()
             else:
                 ks_tm = Timer(interval=1, function=monitor_kill_switch)
diff --git a/cwltool/task_queue.py b/cwltool/task_queue.py
index fbd441e01e..51c4dfbb3e 100644
--- a/cwltool/task_queue.py
+++ b/cwltool/task_queue.py
@@ -7,8 +7,8 @@
 import threading
 from typing import Callable, Optional
 
-from .loghandler import _logger
 from .errors import WorkflowKillSwitch
+from .loghandler import _logger
 
 
 class TaskQueue: