From 91fdc10d46415401e658c5ffbbddc6ebba3a49d8 Mon Sep 17 00:00:00 2001
From: Paul Romano <paul.k.romano@gmail.com>
Date: Mon, 22 Jul 2019 07:12:23 -0500
Subject: [PATCH] Get rid of erroneous check in ParticleFilter.from_hdf5

---
 openmc/filter.py | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/openmc/filter.py b/openmc/filter.py
index 52ff8638e..8527ca9b9 100644
--- a/openmc/filter.py
+++ b/openmc/filter.py
@@ -583,10 +583,6 @@ class ParticleFilter(Filter):
                              + cls.short_name.lower() + "' but got '"
                              + group['type'][()].decode() + " instead")
 
-        if 'meshes' not in kwargs:
-            raise ValueError(cls.__name__ + " requires a 'meshes' keyword "
-                             "argument.")
-
         particles = [b.decode() for b in group['bins'][()]]
         filter_id = int(group.name.split('/')[-1].lstrip('filter '))
         return cls(particles, filter_id=filter_id)