From b97149ddf817d2f4bcb41db5dbc8f77dd1dd4113 Mon Sep 17 00:00:00 2001
From: Jonathan Shimwell <mail@jshimwell.com>
Date: Sat, 20 Jan 2024 19:06:45 +0000
Subject: [PATCH] removed error raising when calling warn (#2853)

---
 openmc/deplete/openmc_operator.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openmc/deplete/openmc_operator.py b/openmc/deplete/openmc_operator.py
index 74dbf8feece..ad7a3924b7e 100644
--- a/openmc/deplete/openmc_operator.py
+++ b/openmc/deplete/openmc_operator.py
@@ -213,7 +213,7 @@ def _get_burnable_mats(self) -> Tuple[List[str], Dict[str, float], List[str]]:
                     msg = (f"Nuclilde {nuclide} in material {mat.id} is not "
                            "present in the depletion chain and has no cross "
                            "section data.")
-                    raise warn(msg)
+                    warn(msg)
             if mat.depletable:
                 burnable_mats.add(str(mat.id))
                 if mat.volume is None: