From 41647e321d80b36b2181fd8df0171e1c3abbfd27 Mon Sep 17 00:00:00 2001
From: GarethCabournDavies <gareth.cabourndavies@ligo.org>
Date: Wed, 4 Dec 2024 08:58:58 -0800
Subject: [PATCH] thinko

---
 pycbc/workflow/core.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pycbc/workflow/core.py b/pycbc/workflow/core.py
index 5eaace3aed5..d632bbf10ac 100644
--- a/pycbc/workflow/core.py
+++ b/pycbc/workflow/core.py
@@ -1283,6 +1283,7 @@ def _filename(self, ifo, description, extension, segment):
         start = int(segment[0])
         end = int(math.ceil(segment[1]))
         if (end-start) > 0 and segment[0] > 0:
+            duration = end - start
             time_str = f"-{start}-{duration}"
         else:
             # This comes about when we haven't defined a time range for