From eecc2a1a71814d797a772ea0ac5e06e1345ae7bf Mon Sep 17 00:00:00 2001
From: Patrick Shriwise <pshriwise@gmail.com>
Date: Tue, 17 Sep 2024 14:47:03 -0500
Subject: [PATCH] Explicitly allow setting tally estimator to None

---
 openmc/tallies.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/openmc/tallies.py b/openmc/tallies.py
index 4ea713092f3..4ca54c6084e 100644
--- a/openmc/tallies.py
+++ b/openmc/tallies.py
@@ -301,6 +301,8 @@ def estimator(self):
 
     @estimator.setter
     def estimator(self, estimator):
+        if estimator is None:
+            self._estimator = None
         cv.check_value('estimator', estimator, ESTIMATOR_TYPES)
         self._estimator = estimator