From a9f1d9c5bc5a79b0315cf4dd1ca35fef924fff4c Mon Sep 17 00:00:00 2001
From: Paul Romano <paul.k.romano@gmail.com>
Date: Mon, 5 Oct 2020 20:55:18 -0500
Subject: [PATCH] Apply suggestions from code review

Co-authored-by: Andrew Johnson <drewejohnson@users.noreply.github.com>
---
 openmc/data/decay.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/openmc/data/decay.py b/openmc/data/decay.py
index 94cae769e5..a477f06cfa 100644
--- a/openmc/data/decay.py
+++ b/openmc/data/decay.py
@@ -298,7 +298,7 @@ class Decay(EqualityMixin):
         applications.
     decay_constant : uncertainties.UFloat
         Decay constant in inverse seconds.
-    decay_energy : float
+    decay_energy : uncertainties.UFloat
         Average energy in [eV] per decay for a decay heat
     half_life : uncertainties.UFloat
         Half-life of the decay in seconds.
@@ -472,7 +472,7 @@ class Decay(EqualityMixin):
         if energy:
             return energy['light'] + energy['electromagnetic'] + energy['heavy']
         else:
-            return 0.0
+            return ufloat(0, 0)
 
     @classmethod
     def from_endf(cls, ev_or_filename):