From f147b6fd9642c0a8832f8578f8ae4f7de0cd60ff Mon Sep 17 00:00:00 2001
From: Stephane Thiell <sthiell@stanford.edu>
Date: Mon, 4 Jul 2022 10:14:43 -0700
Subject: [PATCH] Task: only terminate Task once (#110)

Add a check using existing _terminated attribute to avoid terminating
a Task multiple times, which could cause issues.

Closes #110
---
 lib/ClusterShell/Task.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/ClusterShell/Task.py b/lib/ClusterShell/Task.py
index ed744f8d..2466b0e3 100644
--- a/lib/ClusterShell/Task.py
+++ b/lib/ClusterShell/Task.py
@@ -950,7 +950,10 @@ def _terminate(self, kill):
         """
         Abort completion subroutine.
         """
-        assert self._quit == True
+        assert self._quit is True
+
+        if self._terminated:
+            return
         self._terminated = True
 
         if kill: