From 83c6f3ea10a0a87a4baf7c98a5e4e953135e35f5 Mon Sep 17 00:00:00 2001
From: Chris Markiewicz <effigies@gmail.com>
Date: Thu, 30 May 2024 14:29:17 -0400
Subject: [PATCH] fix(checks): Use non-trivial expressions for selectors

---
 src/schema/rules/checks/mrs.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/schema/rules/checks/mrs.yaml b/src/schema/rules/checks/mrs.yaml
index 41417feb93..598a59c94f 100644
--- a/src/schema/rules/checks/mrs.yaml
+++ b/src/schema/rules/checks/mrs.yaml
@@ -8,7 +8,7 @@ MRSNiftiConsistency:
     level: error
   selectors:
     - datatype == "mrs"
-    - nifti_header.mrs
+    - type(nifti_header.mrs) != "null"
   checks:
     - sidecar.ResonantNucleus == nifti_header.mrs.ResonantNucleus
     - sidecar.SpectrometerFrequency == nifti_header.mrs.SpectrometerFrequency
@@ -21,7 +21,7 @@ MRSMatrixSize:
     level: error
   selectors:
     - datatype == "mrs"
-    - nifti_header
+    - type(nifti_header) != "null"
     - type(sidecar.MatrixSize) != "null"
   checks:
     - sidecar.MatrixSize[0] == nifti_header.dim[1]