From 494e357a6422d929be050a08677a54c76808641d Mon Sep 17 00:00:00 2001
From: Jonathan Shimwell <drshimwell@gmail.com>
Date: Wed, 7 Sep 2022 18:55:03 +0100
Subject: [PATCH] Fixed the type of mat

Co-authored-by: Paul Romano <paul.k.romano@gmail.com>
---
 openmc/deplete/results.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openmc/deplete/results.py b/openmc/deplete/results.py
index ab21232207..15a65e98a8 100644
--- a/openmc/deplete/results.py
+++ b/openmc/deplete/results.py
@@ -95,7 +95,7 @@ class Results(list):
 
     def get_atoms(
         self,
-        mat: Material,
+        mat: Union[Material, str],
         nuc: str,
         nuc_units: str = "atoms",
         time_units: str = "s"