From ba31b4565878fd946b0664fc6e7f4ca4b3c37321 Mon Sep 17 00:00:00 2001
From: wtclarke <william.clarke@ndcn.ox.ac.uk>
Date: Mon, 21 Oct 2024 14:16:40 +0100
Subject: [PATCH] Pass specwidth validator str to match existing interface

---
 src/nifti_mrs/validator.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nifti_mrs/validator.py b/src/nifti_mrs/validator.py
index 91dadb1..dcbe3d2 100644
--- a/src/nifti_mrs/validator.py
+++ b/src/nifti_mrs/validator.py
@@ -40,7 +40,7 @@ def validate_nifti_mrs(nifti_mrs):
 
     # Validate that any SpectralWidth definition matches pixdim[4]
     validate_spectralwidth(
-        nifti_mrs.header.extensions[0].json(),
+        nifti_mrs.header.extensions[0].text,
         nifti_mrs.header['pixdim'][4])