From 10f2b7534c44104324b2baeabc89330fc39bd9fb Mon Sep 17 00:00:00 2001 From: Jonathan Shimwell Date: Tue, 6 Jan 2026 21:18:23 +0100 Subject: [PATCH] Fixing group names in MGXS HDF5 file (#3708) --- openmc/mgxs/mgxs.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/openmc/mgxs/mgxs.py b/openmc/mgxs/mgxs.py index f621db092..12b8f6a75 100644 --- a/openmc/mgxs/mgxs.py +++ b/openmc/mgxs/mgxs.py @@ -1923,7 +1923,7 @@ class MGXS: # Create an HDF5 group for the subdomain if self.domain_type == 'distribcell': - group_name = ''.zfill(num_digits) + group_name = str(subdomain).zfill(num_digits) subdomain_group = domain_group.require_group(group_name) else: subdomain_group = domain_group