From 43033b656c03ac96e40f9effc5b4b8d9e17602d1 Mon Sep 17 00:00:00 2001
From: Patrick Shriwise <pshriwise@gmail.com>
Date: Thu, 27 Oct 2022 14:47:16 -0500
Subject: [PATCH] Returning a tuple for RegularMesh.dimension

---
 openmc/mesh.py           | 2 +-
 openmc/weight_windows.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/openmc/mesh.py b/openmc/mesh.py
index d4db5011ba..72b0210666 100644
--- a/openmc/mesh.py
+++ b/openmc/mesh.py
@@ -324,7 +324,7 @@ class RegularMesh(StructuredMesh):
 
     @property
     def dimension(self):
-        return self._dimension
+        return tuple(self._dimension)
 
     @property
     def n_dimension(self):
diff --git a/openmc/weight_windows.py b/openmc/weight_windows.py
index 44de640412..cf5a62cc1e 100644
--- a/openmc/weight_windows.py
+++ b/openmc/weight_windows.py
@@ -370,7 +370,7 @@ class WeightWindows(IDManagerMixin):
         particle_type = get_text(elem, 'particle_type')
         survival_ratio = float(get_text(elem, 'survival_ratio'))
 
-        ww_shape = (len(e_bounds) - 1,) + tuple(mesh.dimension[::-1])
+        ww_shape = (len(e_bounds) - 1,) + mesh.dimension[::-1]
         lower_ww_bounds = np.array(lower_ww_bounds).reshape(ww_shape).T
         upper_ww_bounds = np.array(upper_ww_bounds).reshape(ww_shape).T