From 9de19dee00ee9178cbce1979e51b466cf1c7e979 Mon Sep 17 00:00:00 2001
From: Taylor Salo <salot@pennmedicine.upenn.edu>
Date: Fri, 6 Dec 2024 11:28:30 -0500
Subject: [PATCH] Return the mean M0 TR in ExtractCBF (#470)

---
 aslprep/interfaces/cbf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aslprep/interfaces/cbf.py b/aslprep/interfaces/cbf.py
index e5b13b5d9..11fd383e2 100644
--- a/aslprep/interfaces/cbf.py
+++ b/aslprep/interfaces/cbf.py
@@ -285,7 +285,7 @@ def _run_interface(self, runtime):
                 metadata[field] = value
 
         self._results['metadata'] = metadata
-        self._results['m0tr'] = m0tr
+        self._results['m0tr'] = np.mean(m0tr) if m0tr is not None else None
         self._results['out_file'] = fname_presuffix(
             self.inputs.name_source,
             suffix='_DeltaMOrCBF',