From 3d493a6a04fd790a93e3e7a7826d05849940e11d Mon Sep 17 00:00:00 2001
From: John Kirkham <jakirkham@gmail.com>
Date: Tue, 8 Dec 2020 17:17:22 -0800
Subject: [PATCH] Annotate `WorkerState` variable instance

---
 distributed/scheduler.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/distributed/scheduler.py b/distributed/scheduler.py
index 68bb7feb4c..8e124586f7 100644
--- a/distributed/scheduler.py
+++ b/distributed/scheduler.py
@@ -4657,6 +4657,7 @@ def decide_worker(self, ts: TaskState):
         """
         Decide on a worker for task *ts*.  Return a WorkerState.
         """
+        ws: WorkerState
         valid_workers: set = self.valid_workers(ts)
 
         if (