From 1d0701b51c1dc354fb22af9b27b8f722f02daf63 Mon Sep 17 00:00:00 2001
From: Matthew Rocklin <mrocklin@gmail.com>
Date: Wed, 17 Aug 2022 04:54:37 -0500
Subject: [PATCH] Only close scheduler in SpecCluster if it exists (#6888)

---
 distributed/deploy/spec.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/distributed/deploy/spec.py b/distributed/deploy/spec.py
index 57602b704e3..39558f1c7e6 100644
--- a/distributed/deploy/spec.py
+++ b/distributed/deploy/spec.py
@@ -431,7 +431,8 @@ async def _close(self):
             else:
                 logger.warning("Cluster closed without starting up")
 
-            await self.scheduler.close()
+            if self.scheduler:
+                await self.scheduler.close()
             for w in self._created:
                 assert w.status in {
                     Status.closing,